Escalators (How It Works)
Book Details
Author(s)
Hicks, Kelli
Publisher
Rourke Educational Media
ISBN / ASIN
1627177698
ISBN-13
9781627177696
Availability
In Stock.
Sales Rank
#745,691
Marketplace
United States 🇺🇸
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Description
Describes how an escalator works using a complex conveyor system and how it makes transportation more convenient.
