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Overview
Describes and compares the four kinds of simple machines: levers, pulleys, wheels, and ramps
| ISBN-13 | 9780613546614 |
|---|---|
| ISBN-10 | 061354661X |
| List Price | $14.70 |
| Format | - |
|---|---|
| Publisher | Bt Bound |
| Published On | 2001-09-01 |
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