Product Overview
Describes how an escalator works using a complex conveyor system and how it makes transportation more convenient.
Escalators (How It Works)
$53.86 - $300.00
- UPC:
- 9781627177696
- Binding:
- Paperback
- Publication Date:
- 8/1/2014
- Author:
- Kelli Hicks
- Language:
- english
Grammar to Go: How It Works and How To Use It
$21.52 - $300.00
How Things Work Encyclopedia
$10.73 - $27.59
Biology: How Life Works
$73.53 - $82.77