Simple Machines
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| Google books | books.google.com |
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| Originally published | October 6, 2015 |
| Authors | D. J. Ward |
| Illustrators | Mike Lowery |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2591885 |
About Simple Machines
Machines are everywhere!They help make work easier, like when you need to lift something heavy or reach way up high. Some machines are so simple that you might not think of them as machines. . . .
