supac mfg. equipment addendum guidance 11-25-14.pdf
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SUPAC: ManufacturingEquipment Addendum
Guidance for Industry
U.S. Department of Health and Human ServicesFood and Drug Administration
Center for Drug Evaluation and Research (CDER)
December 2014Pharmaceutical Quality/CMC
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SUPAC: ManufacturingEquipment Addendum
Guidance for Industry
Additional copies are available from:Office of Communications, Division of Drug Information
Center for Drug Evaluation and ResearchFood and Drug Administration
10001 New Hampshire Ave., Hillandale Bldg., 4th FloorSilver Spring, MD 20993
Phone: 855-543-3784 or 301-796-3400; Fax: [email protected]
http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htm
U.S. Department of Health and Human ServicesFood and Drug Administration
Center for Drug Evaluation and Research (CDER)
December 2014Pharmaceutical Quality/CMC
http://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htmhttp://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htmhttp://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htm -
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TABLE OF CONTENTS
I. INTRODUCTION............................................................................................................. 1
II. BACKGROUND ............................................................................................................... 2
III. DISCUSSION .................................................................................................................... 2
IV. SUPAC IR/MR INFORMATION .................................................................................... 3
A. Particle Size Reduction/Separation .............................................................................................. 3
1. Definitions ................. .................. .................. ................. .................. .................. ................. ............. 3 2. Equipment Classifications ............................... ................. .................. .................. ................. .......... 4
B. Blending and Mixing...................................................................................................................... 6
1. Definitions ................. .................. .................. ................. .................. .................. ................. ............. 6 2. Equipment Classifications ............................... ................. .................. .................. ................. .......... 6
C. Granulation .................................................................................................................................... 7
1. Definitions ................. .................. ................. .................. .................. .................. ................. ............. 7 2. Equipment Classification ................. .................. .................. ................. .................. .................. ....... 9
D. Drying ........................................................................................................................................... 11
1. Definitions ................. ................. .................. .................. ................. .................. .................. ........... 11 2. Equipment Classifications ................................. .................. ................. .................. .................. ..... 13
E. Unit Dosing ................................................................................................................................... 14
1. Definitions ................ .................. .................. ................. .................. .................. ................. ............ 14 2. Equipment Classifications .................. ................. .................. .................. ................. .................. ... 15
F. Soft Gelatin Capsule .................................................................................................................... 16
1. Definitions ................ .................. ................. .................. .................. ................. .................. ............ 16 2. Equipment Classifications ................................ .................. .................. ................. .................. ...... 18
G. Coating/Printing/Drilling ............................................................................................................ 19
1. Definitions ................. .................. ................. .................. .................. .................. ................. ........... 19 2. Equipment Classification ................. .................. .................. ................. .................. .................. ..... 22
V. SUPAC-SS INFORMATION ......................................................................................... 24
A. Particle Size Reduction/Separation ............................................................................................ 24
B. Mixing ........................................................................................................................................... 24
1. Definitions ................. .................. .................. ................. .................. .................. ................. ........... 24 2. Equipment Classification .................. ................. .................. .................. ................. .................. ..... 25
C. Emulsification ............................................................................................................................... 25
1. Definitions ................. .................. ................. .................. .................. ................. .................. ........... 25
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2. Equipment Classification .................. ................. .................. .................. ................. .................. ..... 26
D. Deaeration ..................................................................................................................................... 26
1. Definitions ................. ................. .................. .................. ................. .................. .................. ........... 26 2. Equipment Classification ................. .................. ................. .................. .................. .................. ..... 27
E.
Transfer ........................................................................................................................................ 27
1. Definition .................. ................. .................. .................. ................. .................. .................. ........... 27 2. Equipment Classification ................. .................. ................. .................. .................. ................. ...... 27
F. Packaging ...................................................................................................................................... 28
1. Definitions ................ .................. .................. ................. .................. .................. ................. ............ 28 2. Equipment Classification ................. ................. .................. .................. ................. .................. ...... 29
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Guidance for Industry 1 1SUPAC: Manufacturing Equipment Addendum2
3
4
This guidance represents the Food and Drug Administrations (FDAs or Agencys) current thinking on5 this topic. It does not create or confer any rights for or on any person and does not operate to bind FDA6or the public. You can use an alternative approach if the approach satisfies the requirements of the7applicable statutes and regulations. If you want to discuss an alternative approach, contact the FDA staff8responsible for implementing this guidance using the contact information on the title page of this9guidance.10
11
121314
I. INTRODUCTION15
16 This guidance combines and supersedes the following scale-up and post-approval changes17(SUPAC) guidances for industry: (1) SUPAC-IR/MR: Immediate Release and Modified18
Release Solid Oral Dosage Forms, Manufacturing Equipment Addendum , and (2) SUPAC-SS19 Nonsterile Semisolid Dosage Forms, Manufacturing Equipment Addendum .2 It removes the lists20of manufacturing equipment that were in both guidances and clarifies the types of processes being21referenced.22
23A draft guidance, SUPAC: Manufacturing Equipment Addendum , was published on April 1, 2013.24Comments were received and changes were made to address those comments.25
26
This SUPAC addendum should be used in conjunction with the following SUPAC guidances for27 industry: 3 (1) Immediate Release Solid Oral Dosage Forms Scale-Up and Post-Approval28Changes: Chemistry, Manufacturing and Controls, In Vitro Dissolution Testing, and In Vivo29
Bioequivalence Documentation , (2) SUPAC-MR: Modified Release Solid Oral Dosage Forms30Scale-Up and Post-Approval Changes: Chemistry, Manufacturing and Controls; In Vitro31
Dissolution Testing and In Vivo Bioequivalence Documentation , and (3) SUPAC-SS: Nonsterile32Semisolid Dosage Forms, Scale-Up and Post Approval Changes: Chemistry M anufacturing and33Controls; In Vitro Release Testing and In Vivo Bioequivalence Documentation .4 34
35The SUPAC guidances define: (1) levels of chemistry, manufacturing, and control change; (2)36recommended chemistry, manufacturing, and controls tests for each level of change; (3)37
recommended in vitro dissolution and release tests and/or in vivo bioequivalence tests for each38
1 This guidance has been prepared by the Office of Pharmaceutical Science in the Center for Drug Evaluation andResearch (CDER) at the Food and Drug Administration.2 For this guidance only, the new document that is a combination of these two guidances will be referred to as theSUPAC addendum .3 We update guidances periodically. To make sure you have the most recent version of a guidance, check the FDADrugs guidance Web page athttp://www.fda.gov/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/default.htm.4 For this guidance only, this collective group of guidances will be referred to as SUPAC guidances .
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level of change; and (4) recommended documentation that should support the change for new39drug applications and abbreviated new drug applications.40
41This SUPAC addendum, together with the SUPAC guidances, is intended to help you, the42manufacturer, determine the documentation you should submit to FDA regarding manufacturing43
equipment changes.4445FDAs guidance documents, including this guidance, do not establish legally enforceable46responsibilities. Instead, guidances describe the Agencys current thinking on a topic and should47
be viewed only as recommendations, unless specific regulatory or statutory requirements are48cited. The use of the word should in Agency guidances means that something is suggested or49recommended, but not required.50
51II. BACKGROUND52
53When the SUPAC equipment addenda were published with tables referencing specific54
equipment, the tables were misinterpreted as equipment required by FDA. FDA recognizes55 that scientific innovation and technology advancement are commonplace and play a significant56role in pharmaceutical development, manufacturing, and quality assurance, and we are57concerned that such a misunderstanding could discourage advancements in manufacturing58technologies. Therefore, this revised SUPAC addendum contains general information on59SUPAC equipment and no longer includes tables referencing specific equipment. This60guidance also includes changes to clarify the types of processes being referenced.61
62III. DISCUSSION63
64The information in this guidance is presented in broad categories of unit operation. For65
immediate or modified release solid oral dosage forms, broad categories include blending and66 mixing, drying, particle size reduction/separation, granulation, unit dosage, coating and printing,67and soft gelatin capsule encapsulation. For nonsterile semisolid dosage forms, broad categories68include particle size reduction and/or separation, mixing, emulsification, deaeration, transfer, and69
packaging. Definitions and classifications are provided. For each operation, equipment is70categorized by class (operating principle) and subclass (design characteristic). Examples of types71of equipment, but not specific brand information, are given within the subclasses.72
73When assessing manufacturing equipment changes from one class to another or from one74subclass to another, you can follow a risk-based appro ach that includes a rationale and complies75with the regulations, including the CGMP regulations. 5, 6 We also recommend addressing the76
impact on the product quality attributes of equipment variations (via process parameters) when77designing and developing the manufacturing process. 7 78
79
5 21 CFR 314.70.6 21 CFR 210-211.7 L. X. Yu, G. Amidon, M. A. Khan, S. W. Hoag, J. Polli, G. K. Raju, and J. Woodcock, UnderstandingPharmaceutical Quality by Design. The AAPS Journal. March 2014.
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When making equipment changes, you will need to determine the filing requirement. 8 The80SUPAC guidances provide information on how to do so. FDA will assess the changes based on81the types of equipment changes being considered. If you choose an approach that exceeds the82SUPAC guidances and addendum, FDA will assess the changes provided they are supported by83a suitable risk-based assessment.84
85 At the time of the equipment change, you should have available the scientific data and rationale86used to determine the type of change and documentation required. This information is subject to87FDA review at its discretion.88
89IV. SUPAC IR/MR INFORMATION90
91A. Particle Size Reduction/Separation92
931. Definitions94
95
a. Unit Operations9697i. Particle Size Reduction: The mechanical process of breaking particles into98
smaller pieces via one or more particle size reduction mechanisms. The99mechanical process used generally is referred to as milling.100
101a. Particle Refers to either a discrete particle or a grouping of particles,102
generally known as an agglomerate.103104
b. Particle Size Reduction Mechanisms105106
Impact - Particle size reduction by applying an107 instantaneous force perpendicular to the108 particle/agglomerate surface. The force can result from109 particle-to-particle or particle-to-mill surface collision.110
111 Attrition - Particle size reduction by applying a force in a112
direction parallel to the particle surface.113114
Compression - Particle size reduction by applying a force115slowly (as compared to Impact) to the particle surface in a116direction toward the center of the particle.117
118 Cutting - Particle size reduction by applying a119
shearing force to a material.120121
ii. Particle Separation: Particle size classification according to particle size122alone.123
124
8 21 CFR 314.70.
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b. Operating Principles125126
i. Fluid Energy Milling127128
Particles are reduced in size as a result of high-speed particle-to-particle129
impact and/or attrition; also known as micronizing.130131ii. Impact Milling132
133Particles are reduced in size by high-speed mechanical impact or impact134with other particles; also known as milling, pulverizing, or comminuting.135
136iii. Cutting137
138Particles are reduced in size by mechanical shearing.139
140iv. Compression Milling141
142Particles are reduced in size by compression stress and shear between143two surfaces.144
145v. Screening146
147Particles are reduced in size by mechanically induced attrition through a148screen. This process commonly is referred to as milling or149deagglomeration.150
151vi. Tumble Milling152
153Particles are reduced in size by attrition utilizing grinding media.154
155vii. Separating156
157Particles are segregated based upon particle size alone and without any158significant particle size reduction. This process commonly is referred to as159screening or bolting.160
1612. Equipment Classifications162
163a. Fluid Energy Mills164
165Fluid energy mill subclasses have no moving parts and primarily are distinguished166from one another by the configuration and/or shape of their chambers, nozzles,167and classifiers.168
169 Tangential Jet170 Loop/Oval171
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Opposed Jet172 Opposed Jet with Dynamic Classifier173 Fluidized Bed174 Fixed Target175 Moving Target176 High Pressure Homogenizer177
178 b. Impact Mills179
180Impact mill subclasses primarily are distinguished from one another by the181configuration of the grinding heads, chamber grinding liners (if any), and182classifiers.183
184 Hammer Air Swept185 Hammer Conventional186 Pin/Disc187 Cage188
189c. Cutting Mills190
191Although cutting mills may differ from one another in whether the knives are192movable or fixed and in the classifier configuration, no cutting mill subclasses193have been identified.194
195d. Compression Mills196
197Although compression mills may differ from one another in whether one or both198surfaces are moving, no compression mill subclasses have been identified.199
200e. Screening Mills201
202Screening mill subclasses primarily are distinguished from one another by the203rotating element.204
205 Rotating Impeller206 Rotating Screen207 Oscillating Bar208
209 f. Tumbling Mills210211
Tumbling mill subclasses primarily are distinguished from one another by the212grinding media used and by whether the mill is vibrated.213
214 Ball Media215 Rod Media216 Vibrating217
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218g. Separators219
220Separator subclasses primarily are distinguished from one another by the221mechanical means used to induce particle movement.222
223 Vibratory/Shaker224 Centrifugal225
226B. Blending and Mixing 227
2281. Definitions229
230a. Unit Operations231
232Blending and Mixing: The reorientation of particles relative to one another in233
order to achieve uniformity.234235 b. Operating Principles236
237i. Diffusion Blending (Tumble)238
239Particles are reoriented in relation to one another when they are240
placed in random motion and interparticular friction is reduced241as the result of bed expansion (usually within a rotating242container); also known as tumble blending.243
244
ii. Convection Mixing245246
Particles are reoriented in relation to one another as a result247of mechanical movement; also known as paddle or plow248mixing.249
250iii. Pneumatic Mixing251
252Particles are reoriented in relation to one another as a result of253the expansion of a powder bed by gas.254
2552. Equipment Classifications256
257a. Diffusion Mixers (Tumble)258
259Diffusion mixer subclasses primarily are distinguished by geometric shape and260the positioning of the axis of rotation.261
262 V-blenders263 Double Cone Blenders264
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Slant Cone Blenders265 Cube Blenders266 Bin Blenders267 Horizontal/Vertical/Drum Blenders268 Static Continuous Blenders269 Dynamic Continuous Blenders270
271 b. Convection Mixers272
273Convection blender subclasses primarily are distinguished by vessel shape and274impeller geometry.275
276 Ribbon Blenders277 Orbiting Screw Blenders278 Planetary Blenders279 Forberg Blenders280 Horizontal Double Arm Blenders281 Horizontal High Intensity Mixers282 Vertical High Intensity Mixers283 Diffusion Mixers (Tumble) with Intensifier/Agitator284
285c. Pneumatic Mixers286
287Although pneumatic mixers may differ from one another in vessel geometry, air288nozzle type, and air nozzle configuration, no pneumatic mixer subclasses have289
been identified.290
291292C. Granulation293
2941. Definitions295
296a. Unit Operations297
298Granulation: The process of creating granules. The powder morphology is299modified through the use of either a liquid that causes particles to bind through300capillary forces or dry compaction forces. The process will result in one or more301
of the following powder properties: enhanced flow; increased compressibility;302 densification; alteration of physical appearance to more spherical, uniform, or303larger particles; and/or enhanced hydrophilic surface properties.304
305 b. Operating Principles306
307i. Dry Granulation308
309
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Dry powder densification and/or agglomeration by direct310 physical compaction.311
312ii. Wet High-Shear Granulation313
314
Powder densification and/or agglomeration by the incorporation315 of a granulation fluid into the powder with high-power-per-unit316mass, through rotating high-shear forces.317
318iii. Wet Low-Shear Granulation319
320Powder densification and/or agglomeration by the incorporation321of a granulation fluid into the powder with low-power-per-unit322mass, through rotating low-shear forces.323
324iv. Low-Shear Tumble Granulation325
326Powder densification and/or agglomeration by the incorporation327of a granulation fluid into the powder with low-power-per-unit328mass, through rotation of the container vessel and/or intensifier329
bar.330331
v. Extrusion Granulation332333
Plasticization of solids or wetted mass of solids and334granulation fluid with linear shear through a sized orifice using335a pressure gradient.336
337vi. Rotary Granulation338
339Spheronization, agglomeration, and/or densification of a wetted or340non-wetted powder or extruded material. This is accomplished by341centrifugal or rotational forces from a central rotating disk, rotating342walls, or both. The process may include the incorporation and/or343drying of a granulation fluid.344
345vii. Fluid Bed Granulation346
347Powder densification and/or agglomeration with little or no shear348
by direct granulation fluid atomization and impingement on349solids, while suspended by a controlled gas stream, with350simultaneous drying.351
352viii. Spray Dry Granulation353
354
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A pumpable granulating liquid containing solids (in solution or355suspension) is atomized in a drying chamber and rapidly dried by a356controlled gas stream, producing a dry powder.357
358ix. Hot-melt Granulation359
360 An agglomeration process that utilizes a molten liquid as a361 binder(s) or granulation matrix in which the active362 pharmaceutical ingredient (API) is mixed and then cooled down363followed by milling into powder. This is usually accomplished364in a temperature controlled jacketed high shear granulating tank365or using a heated nozzle that sprays the molten binders(s) onto366the fluidizing bed of the API and other inactive ingredients.367
368x. Melt Extrusion369
370
A process that involves melting and mixing API and an excipient371(generally a polymer) using low or high shear kneading screws372followed by cooling and then milling into granules. Thermal373energy for melting is usually supplied by the electric/water heater374
placed on the barrel. Materials are either premixed or fed into an375extruder separately. Melt extruder subclasses primarily are376distinguished by the configuration of the screw.377
378 Single screw extruder379 Twin screw extruder380
381
2. Equipment Classification382383
a. Dry Granulator384385
Dry granulator subclasses primarily are distinguished by the densification force386application mechanism.387
388 Slugging389 Roller Compaction390
391 b. Wet High-Shear Granulator392
393Wet high-shear granulator subclasses primarily are distinguished by the394geometric positioning of the primary impellers; impellers can be top, bottom,395or side driven.396
397 Vertical (Top or Bottom Driven)398 Horizontal (Side Driven)399
400
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c. Wet Low-Shear Granulator401402
Wet low-shear granulator subclasses primarily are distinguished by the403geometry and design of the shear inducing components; shear can be induced404
by rotating impeller, reciprocal kneading action, or convection screw action.405
406 Planetary407 Kneading408 Screw409
410d. Low-Shear Tumble Granulator411
412Although low-shear tumble granulators may differ from one another in vessel413geometry and type of dispersion or intensifier bar, no low-shear tumble414granulator subclasses have been identified.415
416 Slant cone417 Double cone418 V-blender419
420e. Extrusion Granulator421
422Extrusion granulator subclasses primarily are distinguished by the423orientation of extrusion surfaces and driving pressure production424mechanism.425
426
Radial or Basket427 Axial428 Ram429 Roller, Gear, or Pelletizer430
431f. Rotary Granulator432
433Rotary granulator subclasses primarily are distinguished by their structural434architecture. They have either open top architecture, such as a vertical centrifugal435spheronizer, or closed top architecture, such as a closed top fluid bed dryer.436
437 Open438 Closed439
440g. Fluid Bed Granulator441
442Although fluid bed granulators may differ from one another in geometry,443operating pressures, and other conditions, no fluid bed granulator subclasses444have been identified.445
446
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h. Spray Dry Granulator447448
Although spray dry granulators may differ from one another in geometry,449operating pressures, and other conditions, no spray dry granulator subclasses have450
been identified.451
452i. Hot-melt Granulator453
454Although, hot-melt granulator may differ from one another in primarily melting the455inactive ingredient (particularly the binder or other polymeric matrices), no456subclasses have been identified at this time.457
458 Note:459If a single piece of equipment is capable of performing multiple discrete unit operations (mixing,460granulating, drying), the unit was evaluated solely for its ability to granulate. If multifunctional461
units were incapable of discrete steps (fluid bed granulator/drier), the unit was evaluated as an462 integrated unit.463464
D. Drying465466
1. Definitions467468
a. Unit Operation469470
Drying: The removal of a liquid from a solid by evaporation.471472
b. Operating Principles473474i. Direct Heating, Static Solids Bed475
476Heat transfer is accomplished by direct contact between the wet477solids and hot gases. The vaporized liquid is carried away by the478drying gases. There is no relative motion among solid particles.479The solids bed exists as a dense bed, with the particles resting upon480one another.481
482ii. Direct Heating, Moving Solids Bed483
484Heat transfer is accomplished by direct contact between the wet485solids and hot gases. The vaporized liquid is carried away by the486drying gases. Solids motion is achieved by either mechanical487agitation or gravity force, which slightly expands the bed enough to488flow one particle over another.489
490iii. Direct Heating, Fluidized Solids Bed491
492
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Heat transfer is accomplished by direct contact between the wet493solids and hot gases. The vaporized liquid is carried away by the494drying gases. The solids are in an expanded condition, with the495
particles supported by drag forces caused by the gas phase. The496solids and gases intermix and behave like a boiling liquid. This497
process commonly is referred to as fluid bed drying.498499iv. Direct Heating, Dilute Solids Bed, Spray Drying500
501Heat transfer is accomplished by direct contact between a highly502dispersed liquid and hot gases. The feed liquid may be a solution,503slurry, emulsion, gel or paste, provided it is pumpable and capable504of being atomized. The fluid is dispersed as fine droplets into a505moving stream of hot gases, where they evaporate rapidly before506reaching the wall of the drying chamber. The vaporized liquid is507carried away by the drying gases. The solids are fully expanded508
and so widely separated that they exert essentially no influence on509one another.510
511v. Direct Heating, Dilute Solids Bed, Flash Drying512
513Heat transfer is accomplished by direct contact between wet solids514and hot gases. The solid mass is suspended in a finely divided state515in a high-velocity and high-temperature gas stream. The vaporized516liquid is carried away by the drying gases.517
518vi. Indirect Conduction, Moving Solids Bed519
520Heat transfer to the wet solid is through a retaining wall. The521vaporized liquid is removed independently from the heating522medium. Solids motion is achieved by either mechanical agitation523or gravity force, which slightly expands the bed enough to flow one524
particle over another.525526
vii. Indirect Conduction, Static Solids Bed527528
Heat transfer to the wet solid is through a retaining wall. The529
vaporized liquid is removed independently from the heating530 medium. There is no relative motion among solid particles. The531solids bed exists as a dense bed, with the particles resting upon one532another.533
534viii. Indirect Conduction, Lyophilization535
536Drying in which the water vapor sublimes from the product after537freezing.538
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539ix. Gas Stripping540
541Heat transfer is a combination of direct and indirect heating. The542solids motion is achieved by agitation and the bed is partially543
fluidized.544545
x. Indirect Radiant, Moving Solids Bed546547
Heat transfer is accomplished with varying wavelengths of energy.548Vaporized liquid is removed independently from the solids bed.549The solids motion is achieved by mechanical agitation, which550slightly expands the bed enough to flow one particle over one551another. This process commonly is referred to as microwave552drying.553
5542. Equipment Classifications555
556a. Direct Heating, Static Solids Bed557
558Static solids bed subclasses primarily are distinguished by the method of559moving the solids into the dryer.560
561 Tray and Truck562 Belt563
564
b. Direct Heating, Moving Solids Bed565566Moving solids bed subclasses primarily are distinguished by the method or567technology for moving the solids bed.568
569 Rotating Tray570 Horizontal Vibrating Conveyor571
572c. Direct Heating, Fluidized Solids Bed (Fluid Bed Dryer)573
574Although fluid bed dryers may differ from one another in geometry, operating575
pressures, and other conditions, no fluidized solids bed dryer subclasses have576 been identified.577
578d. Direct Heating, Dilute Solids Bed, Spray Dryer579
580Although spray dryers may differ from one another in geometry, operating581
pressures, and other conditions, no spray dryer subclasses have been identified.582583
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e. Direct Heating, Dilute Solids Bed, Flash Dryer584585
Although flash dryers may differ from one another in geometry, operating586 pressures, and other conditions, no flash dryer subclasses have been identified.587
588
f. Indirect Conduction Heating, Moving Solids Bed589590Moving solids bed subclasses primarily are distinguished by the method or591technology for moving the solids bed.592
593 Paddle594 Rotary (Tumble)595 Agitation596
597g. Indirect Conduction Heating, Static Solids Beds598
599 No indirect heating, static solids bed shelf dryer subclasses have been600identified.601
602h. Indirect Conduction, Lyophilization603
604 No lyophilizer subclasses have been identified.605
606i. Gas Stripping607
608Although gas stripping dryers may differ from one another in geometry, shape of609agitator, and how fluidizing gas is moved through the bed, no gas stripping dryer610subclasses have been identified.611
612 j. Indirect Radiant Heating, Moving Solids Bed (Microwave Dryer)613
614Although microwave dryers may differ from one another in vessel615geometry and the way microwaves are directed into the solids, no616indirect radiant heating, moving solids bed dryer subclasses have been617identified.618
619 Note: If a single piece of equipment is capable of performing multiple discrete unit operations620
(mixing, granulating, drying), the unit was evaluated solely for its ability to dry. The drying621 equipment was sorted into similar classes of equipment, based upon the method of heat transfer622and the dynamics of the solids bed.623
624E. Unit Dosing625
6261. Definitions627
628a. Unit Operation629
630
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Unit Dosing: The division of a powder blend into uniform single portions for631delivery to patients.632
633 b. Operating Principles634
635
i. Tabletting636637The division of a powder blend in which compression force is638applied to form a single unit dose.639
640ii. Encapsulating641
642The division of material into a hard gelatin capsule. Encapsulators643should all have the following operating principles in common:644rectification (orientation of the hard gelatin capsules), separation of645capsule caps from bodies, dosing of fill material/formulation,646
rejoining of caps and bodies, and ejection of filled capsules.647648
iii. Powder Filling649650
The division of a powder blend into a container closure system.651
2. Equipment Classifications652653
a. Tablet Press654655
Tablet press subclasses primarily are distinguished from one another by the656method that the powder blend is delivered to the die cavity. Tablet presses can657deliver powders without mechanical assistance (gravity), with mechanical658assistance (power assisted), by rotational forces (centrifugal), and in two different659locations where a tablet core is formed and subsequently an outer layer of coating660material is applied (compression coating).661
662 Gravity663 Power Assisted664 Centrifugal665 Compression Coating666
667Tablet press subclasses are also distinguished from one another for some special668types of tablets where more than one hopper and precise powder feeding669mechanism might be necessary.670
671 Multi-tablet press for micro/mini tablet672 Multi-layer tablet press (bi-layer, tri-layer)673
674 b. Encapsulator675
676
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Encapsulator subclasses primarily are distinguished from one another by the677method that is used for introducing material into the capsule. Encapsulators678can deliver materials with a rotating auger, vacuum, vibration of perforated679
plate, tamping into a bored disk (dosing disk), or cylindrical tubes fitted with680 pistons (dosator).681
682 Auger683 Vacuum684 Vibratory685 Dosing Disk686 Dosator687
688c. Powder Filler689
690Subclasses of powder fillers primarily are distinguished by the method used to691deliver the predetermined amount for container fill.692
693 Vacuum694 Auger695
696F. Soft Gelatin Capsule697
6981. Definitions699
700a. Unit Operations701
702i. Gel Mass Preparation: The manufacture of a homogeneous,703
degassed liquid mass (solution) of gelatin, plasticizer, water, and704other additives, either in solution or suspension, such as colorants,705
pigments, flavors, preservatives, etc., that comprise a unique706functional gel shell formation. The operation may be performed in707discreet steps or by continuous processing. Minor components can708
be added after the liquid gel mass is made.709710
ii. Fill Mixing: The mixing of either liquids or solids with other liquids711to form a solution; blending of limited solubility solid(s) with a712liquid carrier and suspending agents used to stabilize the blend to713form a suspension; or the uniform combination of dry inert and drug714active substances to form a dry powder fill suitable for715encapsulation. The reader should refer to the other sections of this716document for dry fill manufacture.717
718iii. Encapsulation: The continuous casting of gel ribbons, with liquid719
fill material being injected between the gel ribbons using a positive720displacement pump or, for dry materials being gravity or force fed721with capsule formation using a rotary die.722
723
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iv. Washing: The continuous removal of a lubricant material from the724outside of the formed capsule. The washing operation is unique to725each manufacturers operation and generally uses in-house726fabricated equipment. This equipment will not be discussed in this727guidance document.728
729 v. Drying: The removal of the majority of water from the capsules730gel shell by tumbling and subsequent tray drying using conditioned731air, which enhances the size, shape, and shell physical properties of732the final product. The drying operation is unique to each733manufacturers operation and generally uses in-house fabricated734equipment. This equipment will not be discussed in this guidance735document.736
737vi. Inspection/Sorting: The process wherein undesirable capsules are738
removed, including misshapen, leaking, and unfilled capsules as739
well as agglomerates of capsules.740741
vii. Printing: The marking of a capsule surface for the purpose of742 product identification, using a suitable printing media or method.743
744 b. Operating Principles745
746i. Mixing747
748The combination of solid and liquid components, including749suspending aid(s) at either ambient or elevated temperatures to750
form a solution, suspension, or dry powder blend for the751manufacture of gel mass or fill material. Mixing also includes752the incorporation of minor components into the liquid gel mass.753
754ii. Deaggregation755
756The removal of aggregates using a suitable homogenizer/mill to757
provide a pumpable fill material. The procedure has minimal758effect on the particle size distribution of the initia l solid759component(s), and is viewed as a processing aid. 9 760
761iii. Deaeration762
763The removal of entrapped air from either the gel mass or fill764material, solution or suspension. This process can take place in765either the mixing vessel, through the application of vacuum, or766a separate off-line step.767
768
9 Carstensen, J. T., Theory of Pharmaceutical Systems, Volume 11 Heterogeneous Systems, Academic Press, New York, NY, 1973, p 51.
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iv. Holding769770
The storage of liquid gel mass or fill material in a vessel, with771a mixer or without, prior to encapsulation, which also may be772equipped with a jacket for either heating or cooling. 773
774 v. Encapsulation775776
The formation of capsules using a rotary die machine. 10 777778
vi. Inspection/Sorting779780
The physical removal of misshapen, leaking, or781agglomerated capsules, using either a manual or automatic782operation.783
784
vii. Printing785786The user of this document is asked to refer to the coating/printing787section, in which the use of various pieces of equipment are defined788and categorized.789
7902. Equipment Classifications791
792a. Mixers and Mixing Vessels793
794Mixer and mixing vessel subclasses primarily are distinguished by the mixing795
energy, mixer type, and whether a jacketed vessel with vacuum capabilities is796used in conjunction with a specific mixer.797
798 Low Energy Mixer799 High Energy Mixer800 Planetary801 Jacketed Vessel With and Without Vacuum802
803 b. Deaggregators804
805Deaggregator subclasses primarily are distinguished by the type of806mechanical action imparted to the material.807
808 Rotor/Stator809
10 Lachman, L., H. A. Lieberman, and J. L. Kanig (Eds.), The Theory and Practice of Industrial Pharmacy,Chapter 3, p. 359 (Stanley, J. P.), Philadelphia Lea & Febiger, 1971; Tyle, P. (Ed.), Specialized DrugDelivery Systems, Manufacturing and Production Technology , Chapter 10, p. 409 (Wilkinson, P.K. and F.S.Hom), New York; M. Dekker, 1990; Porter, S., Remingtons Pharmaceutical Sciences, Edition 18, Chapter89, pp. 1662 - 1665, Easton, Penn.: Mack Publishing Co.
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Roller810 Cutting Mills811 Stone Mills812 Tumbling Mills813
814
c. Deaerators815816
Deaerator subclasses primarily are distinguished by the air removal path, either817through the bulk or through a thin film, and whether it is a batch or in-line818
process.819820
Vacuum Vessel821 Off Line/In Line822
823d. Holding Vessels824
825Although holding vessels may differ from one another, based upon whether they826are jacketed, with and without integrated mixing capabilities, no holding vessel827subclasses have been identified.828
829 Jacketed vessel with and without mixing system830
831e. Encapsulators832
833Encapsulator subclasses primarily are distinguished by the method used to inject834the fill material.835
836 Positive Displacement Pump837 Gravity or Force Fed838
839f. Inspection/Sorting840
841Inspection/sorting equipment subclasses primarily are distinguished by the842method used to present the capsule for viewing and mechanical method of843separation.844
845 Belt846 Vibratory847 Roller848 Rotary Table849 Electromechanical850
851G. Coating/Printing/Drilling852
8531. Definitions854
855
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tablet compression machine. 11 Therefore, this process is903also known as a dry coating process that does not involve904any water or any other solvent in the coating process.905
f. Active/API coating - Deposition of active pharmaceutical906ingredient (API or drug substance) on or around a core907
tablet utilizing any of the above five coating techniques.908909ii. Printing: The marking of a capsule or tablet surface for the910
purpose of product identification. Printing may be accomplished911 by either the application of a contrasting colored polymer (ink)912onto the surface of a capsule or tablet, or by the use of laser913etching.914
915The method of application, provided the ink formulation is not916altered, is of no consequence to the physical-chemical properties of917the product.918
919iii. Drilling: The drilling or ablating of a hole or holes through the920
polymeric film coating shell on the surfaces of a solid oral dosage921form using a laser. The polymeric film shell is not soluble in922vivo. The hole or holes allow for the modified release of the drug923from the core of the dosage form.924
925 b. Operating Principles926
927i. Pan Coating928
The uniform deposition of coating material onto the surface of a929solid dosage form, or component thereof, while being translated via930a rotating vessel.931
932ii. Gas Suspension933
934The application of a coating material onto a solid dosage form, or935component thereof, while being entrained in a process gas stream.936
937Alternatively, this may be accomplished simultaneously by938spraying the coating material and substrate into a process gas939stream.940
941iii. Vacuum Film Coating942
943
11 W.C. Gunsel & R.G. Dusel. Compression-coated and layer tablets. In H.A.Lieberman, L. Lachman & B.Schwartz (Eds), Pharmaceutical Dosage Forms: Tablets Vol 1, 1989, pp. 247-249. Mercel Dekker, Inc.
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This technique uses a jacketed pan equipped with a baffle system.944Tablets are placed into the sealed pan, an inert gas (i.e., nitrogen)945is used to displace the air and then a vacuum is drawn.946
947iv. Dip Coating948
949 Coating is applied to the substrate by dipping it into the950coating material. Drying is accomplished using pan coating951equipment.952
953v. Electrostatic Coating954
955A strong electrostatic charge is applied to the surface of the956substrate. The coating material containing oppositely charged ionic957species is sprayed onto the substrate.958
959vi. Compression Coating960
961Refer to the Unit Dosing section of this document.962
vii. Ink-Based Printing963
The application of contrasting colored polymer (ink) onto964the surface of a tablet or capsule.965
966viii. Laser Etching967
968The application of identifying markings onto the surface of a969tablet or capsule using laser-based technology.970
971ix. Drilling972
973A drilling system typically is a custom built unit consisting of a974material handling system to orient and hold the solid dosage form,975a laser (or lasers), and optics (lenses, mirrors, deflectors, etc.) to976ablate the hole or holes, and controls. The drilling unit may include977debris extraction and inspection systems as well. The sorting,978
orienting, and holding equipment commonly is provided by dosage979 form printing equipment manufacturers, and is considered ancillary980in this use.981
9822. Equipment Classification983
984a. Pan Coating985
986Pan coating subclasses primarily are distinguished by the pan configuration, the987
pan perforations, and/or the perforated device used to introduce process air for988
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drying purposes. Perforated coating systems include both batch and continuous989coating processes.990
991 Non-perforated (conventional) Coating System992 Perforated Coating System993
994 b. Gas Suspension995
996Gas suspension subclasses primarily are distinguished by the method997
by which the coating is applied to the substrate.998999
Fluidized Bed with bottom spray mechanism1000 Fluidized Bed with tangential spray mechanism1001 Fluidized Bed with top spray mechanism1002 Fluidized Bed with Wurster column1003
Spray Congealing/Drying10041005c. Vacuum Film Coating1006
1007Although there may be differences in the jacketed pan, baffle system, or1008vacuum source, no vacuum film coating subclasses have been identified.1009
1010d. Dip Coating1011
1012Because of the custom design associated with this class of coating, no dip1013coating subclasses or examples have been identified.1014
1015 e. Electrostatic Coating10161017
Because of the custom design associated with this class of coating, no1018electrostatic coating subclasses or examples have been identified.1019
1020f. Compression Coating1021
1022Refer to the Unit Dosing section of this document.1023
1024g. Ink-Based Printing1025
1026Ink-based printing subclasses primarily are distinguished by the method by which1027the marking is applied to a capsule or tablet surface.1028
1029 Offset1030 Ink Jet1031
1032h. Laser Etching (Printing)1033
1034
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Although laser etching systems may differ from one another, no laser1035etching subclasses have been identified.1036
1037i. Drilling1038
1039
The method of producing the laser pulse that ablates the hole(s) is of no1040 consequence to the physical-chemical properties of the product. Therefore, no1041dosage form drilling equipment subclasses have been identified.1042
1043V. SUPAC-SS INFORMATION1044
1045A. Particle Size Reduction/Separation1046
1047The same definition and classification applies as described in section IV. A. for IR/MR1048
products.10491050
B. Mixing10511052
1. Definitions10531054
a. Unit Operation10551056
Mixing: The reorientation of particles relative to one another to achieve1057uniformity or randomness. This process can include wetting of solids by a liquid1058
phase, dispersion of discrete particles, or deagglomeration into a continuous1059 phase. Heating and cooling via indirect conduction may be used in this operation1060to facilitate phase mixing or stabilization.1061
1062 b. Operating Principles1063
1064i. Convection Mixing, Low Shear: Mixing process with a repeated1065
pattern of cycling material from top to bottom, in which dispersion1066occurs under low power per unit mass through rotating low shear1067forces.1068
1069ii. Convection Mixing, High Shear: Mixing process with a repeated1070
pattern of cycling material from top to bottom, in which dispersion1071occurs under high power per unit mass through rotating high shear1072forces.1073
1074iii. Roller Mixing (Milling): Mixing process by high mechanical1075
shearing action where compression stress is achieved by passing1076material between a series of rotating rolls. This is commonly1077referred to as compression or roller milling.1078
1079
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iv. Static Mixing: Mixing process in which material passes through a1080tube with stationary baffles. The mixer is generally used in1081conjunction with an in-line pump.1082
10832. Equipment Classification1084
1085 a. Convection Mixers, Low Shear10861087
This group normally operates under low shear conditions and is broken down by1088impeller design and movement. Design can also include a jacketed vessel to1089facilitate heat transfer.1090
1091 Anchor or sweepgate1092 Impeller1093 Planetary1094
1095
b. Convection Mixers, High Shear10961097
This group normally operates only under high shear conditions. Subclasses are1098differentiated by how the high shear is introduced into the material, such as by a1099dispersator with serrated blades or homogenizer with rotor stator.1100
1101 Dispersator1102 Rotor stator1103
1104c. Roller Mixers (Mills)1105
1106 No roller mixer subclasses have been identified.1107
1108d. Static Mixers1109
1110 No static mixer subclasses have been identified.1111
11121113
Note: If a single piece of equipment is capable of performing multiple discrete unit operations,1114it has been evaluated solely for its ability to mix materials.1115
1116C. Emulsification1117
1118 1. Definitions11191120
a. Unit Operation11211122
Emulsification: The application of physical energy to a liquid system consisting of1123at least two immiscible phases, causing one phase to be dispersed into the other.1124
1125 b. Operating Principles1126
1127
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i. Low Shear Emulsification: Use of low shear energy using1128mechanical mixing with an impeller to achieve a dispersion of the1129mixture. The effectiveness of this operation is especially dependent1130on proper formulation . 1131
1132
ii. High Shear Emulsification: Use of high shear energy to1133 achieve a dispersion of the immiscible phases. High shear can1134 be achieved by the following means:1135
1136a. Stirring the mixture with a high speed chopper or1137
saw-tooth dispersator.11381139
b. Passing the mixture through the gap between a high-1140speed rotor and a stationary stator.1141
1142c. Passing the mixture through a small orifice at high pressure1143
(valve- type homogenizer) or through a small orifice at high1144 pressure followed by impact against a hard surface or1145opposing stream (valve-impactor type homogenizer),1146causing sudden changes of pressure.1147
11482. Equipment Classification1149
1150a. Low Shear Emulsifiers1151
1152Although low shear emulsification equipment (mechanical stirrers or impellers)1153can differ in the type of fluid flow imparted to the mixture (axial-flow propeller or1154
radial-flow turbines), no subclasses have been defined.11551156
b. High Shear Emulsifiers11571158
Subclasses of high shear emulsification equipment differ in the method used1159to generate high shear.1160
1161 Dispersator1162 Rotor stator1163 Valve or pressure homogenizer1164
1165 Note: If a single piece of equipment is capable of performing multiple discrete unit1166operations, the unit has been evaluated solely for its ability to emulsify materials.1167
1168D. Deaeration1169
11701. Definitions1171
1172a. Unit Operation1173
1174
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Deaeration: The elimination of trapped gases to provide more accurate1175volumetric measurements and remove potentially reactive gases.1176
1177 b. Operating Principles1178
1179The use of vacuum or negative pressure, alone or in combination with mechanical1180
intervention or assistance.118111822. Equipment Classification1183
1184a. Deaerators1185
1186Deaerator subclasses differ primarily in their air removal paths, either through the1187
bulk material or through a thin film, and in whether they use a batch or in-line1188 process.1189
1190 Off-Line or in-line 1191 Vacuum vessel1192
1193 Note: If a single piece of equipment is capable of performing multiple discrete unit operations,1194it has been evaluated solely for its ability to deaerate materials.1195
1196E. Transfer1197
11981. Definition1199
1200a. Unit Operation1201
1202Transfer: The controlled movement or transfer of materials from one location to1203another.1204
1205 b. Operating Principles1206
1207i. Passive: The movement of materials across a non-mechanically-1208
induced pressure gradient, usually through conduit or pipe.12091210
ii. Active: The movement of materials across a mechanically-1211induced pressure gradient, usually through conduit or pipe.1212
12132. Equipment Classification1214
1215a. Low Shear1216
1217Active or passive material transfer, with a low degree of induced shear1218
1219 Diaphragm 1220 Gravity1221 Peristaltic1222 Piston1223 Pneumatic1224 Rotating lobe1225 Screw or helical screw1226
1227 b. High Shear1228
1229
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Active or mechanical material transfer with a high degree of induced shear12301231
Centrifugal or turbine 1232 Piston1233 Rotating gear1234
1235
Note: This section is intended to deal with the transfer of shear sensitive materials, including1236 product or partially manufactured product. A single piece of equipment can be placed in either a1237low or high shear class, depending on its operating parameters. If a single piece of equipment is1238capable of performing multiple discrete unit operations, the unit has been evaluated solely for its1239ability to transfer materials.1240
1241F. Packaging1242
12431. Definitions1244
1245a. Unit Operation1246
1247 i. Holding: The process of storing product after completion of1248manufacturing process and prior to filling final primary packs.1249
1250ii. Transfer: The process of relocating bulk finished product from1251
holding to filling equipment using pipe, hose, pumps and/or other1252associated components.1253
1254iii. Filling: The delivery of target weight or volume of bulk finished1255
product to primary pack containers12561257
iv.
Sealing: A device or process for closing and/or sealing primary1258 pack containers following the filling process.12591260
b. Operating Principles12611262
i. Holding: The storage of liquid, semi-solids, or product1263materials in a vessel that may or may not have temperature1264control and/or agitation.1265
1266ii. Transfer: The controlled movement or transfer of materials1267
from one location to another.12681269
iii. Filling: Filling operating principles involve several associated1270subprinciples. The primary package can be precleaned to remove1271
particulates or other materials by the use of ionized air, vacuum,1272or inversion. A holding vessel equipped with an auger, gravity, or1273
pressure material feeding system should be used. The vessel may1274or may not be able to control temperature and/or agitation. Actual1275filling of the dosage form into primary containers can involve a1276metering system based on an auger, gear, orifice, peristaltic, or1277
piston pump. A head-space blanketing system can also be used.1278
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1279iv. Sealing: Primary packages can be sealed using a variety of1280
methods, including conducted heat and electromagnetic1281(induction or microwave) or mechanical manipulation (crimping1282or torquing).1283
1284 2. Equipment Classification12851286
a. Holders12871288
Although holding vessels can differ in their geometry and ability to control1289temperature or agitation, their primary differences are based on how materials1290are fed.1291
1292 Auger1293 Gravity1294
Pneumatic (nitrogen, air, etc.)12951296 b. Fillers1297
1298The primary differences in filling equipment are based on how materials1299are metered.1300
1301 Auger1302 Gear pump1303 Orifice1304 Peristaltic pump1305 Piston1306
1307c. Sealers1308
1309The differences in primary container sealing are based on how energy is1310transferred or applied.1311
1312 Heat1313 Induction1314 Microwave1315 Mechanical or crimping1316 Torque1317
13181319