Escalators

Escalators
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PDF (Acrobat) Document File

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3 MB|24 pages
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Product Description
An escalator is a moving staircase with steps that go up or down. This book discusses how an escalator if based off a conveyor system, moving objects up and down using gears and chains that are connected to the steps, flattening them out at the top and bo
Total Pages
24 pages
Answer Key
N/A
Teaching Duration
Unknown
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$29.93
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