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Information about escalator

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bridgetoreach

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Do you know what am i?

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I’m a machine!

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I am a

mechanizedmoving stairway!

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A moving stairway?

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Yeah! I am an escalator!

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Who invented me?....

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Charles D.

Seeberger!!!

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the name 'escalator' from the

word 'scala'

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which is Latin for steps and the

word 'elevator', which had already been invented.

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It can be found in common in places with a

lot of foot traffic or…

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where a conventional staircase would be

very long and tiring to climb.

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often installed in

pairs, with

an up escalator and a

down escalator

adjacent to each other

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a single escalator may be changed to

go up

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down according to the

direction of heavier traffic at different times of the day.

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What’s

inside the escalator?

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top and

bottom landing platforms

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  truss carries all the

straight track sections connecting the upper and lower sections.

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track system is built into the truss to guide the

step chain

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The steps are linked by a

continuous metal chain so they

form a closed loop with each step able to bend in relation to its neighbors

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railing provides a convenient

handhold for passengers while they are riding the escalator

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Did you know how to use escalator?

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To move from one end of an escalator to the other, a person may simply

stand on one step until one reaches the end, or one may climb or descend the escalator like conventional stairs

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The great

majority of escalators in the world are

straight

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there are some

spiral models too.

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Escalator generally used for their

aesthetic appeal

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and

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saving space

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In United States...

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There are an estimated

35,000 escalators.

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Over 245 million riders take an escalator daily

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About 210 billion riders travel on elevators or escalators each year in the

North America.

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The

longest outdoor escalator covers over

800 meters in distance and

elevates over

135 meters from bottom to top located at Hong Kong

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Shortest escalator vertical rise is

only 32.8 inches (83 cm) at Okadaya Mores shopping mall

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earliest uses of escalators was used in the building of the Egyptian Great Pyramid at Giza

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over 2 million stone cubes were laid on the

tree trunks and slowly

rolled upwards on the artificial earth bridges that surrounded the build site

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That

continuous use of

rolling wheels beneath the

transported weight 

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became 

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one of the basic principles behind the today’s escalators.

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It’s not moving?

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Are u going up or

down?

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escalators also have

moving handrails which approximately

keep pace with the movement of the steps.

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staircase whose steps move up

or down on tracks which keep them

horizontal.

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Escalators in the London

Underground used to have

wooden steps

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Escalators now have

metal steps in a

continuous loop that move on tracks. 

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have

glass sides which allow their workings to be

viewed

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Do you

realized?

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Escalator have the capacity to

move large numbers of people

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can be placed in the

same physical

space as

stairs would be. 

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have no waiting interval, except during very heavy traffic

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can be used to guide people towards main exits or special exhibits

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 they may be

weather-proofed for

outdoor use

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So, what does it all means?

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bridgetoreach

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Credits :• Content based on a encyclopedia• Source of content :http://www.encyclopedia.com/topic/

Escalator.aspxAndhttp://www.google.com.my/imghp?

hl=en&tab=wi

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Presentation design by

Muhammad Izzat Khan