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Pulleys Kay Manolis
Pulleys
Kay Manolis
Pulleys are simple machines used to lift and move loads. Builders use pulley systems to lift tools or materials. Elevators use pulleys to move up and down. Kids will learn how pulleys make work easier and how they are often part of complex machines.
| 介质类型 | 图书 Paperback Book (平装胶订图书) |
| 已发行 | 2009年8月1日 |
| ISBN13 | 9781626174764 |
| 出版商 | Blastoff! Readers |
| 页数 | 24 |
| 商品尺寸 | 155 × 221 × 5 mm · 58 g |
| 语言 | 英语 |
