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Ramps
by Ramps
$12.31
Description
Ramps are simple machines used for work and play. Workers use them for easy loading and unloading. Skateboarders use them to do tricks. Readers will learn how ramps make work easier and how they are used in everyday life.
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Product Details
- Aug 1, 2009 Pub Date:
- 9781626174771 ISBN-13:
- 1626174776 ISBN-10:
- English Language
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