div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=o-c-o-o-o-c-o-88-o-o-o-o-g-o-o-o-o-o-o-o-e-c-o-e-o-171-retrotechhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: O c o O O c O 88 o o o o g o o o o o o o e C o e o · 171 Retrotech Software 4 CEUs 190 Building Science for Building Analyst 8 CELTS 100 100 None Testing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer20220710145fccab584553791efb0f7528html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=o-c-o-o-o-c-o-88-o-o-o-o-g-o-o-o-o-o-o-o-e-c-o-e-o-171-retrotechhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: O c o O O c O 88 o o o o g o o o o o o o e C o e o · 171 Retrotech Software 4 CEUs 190 Building Science for Building Analyst 8 CELTS 100 100 None Testing loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer20220710145fccab584553791efb0f7528html5thumbnails2jpg width=140 height=200 divdiv