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Powerful Machines

by Bailey, Gerry

$22.88

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Description

From a simple pair of scissors to a complex rocket launcher, it is hard to imagine a world without machines. But did you know that almost every powerful machine is based on one or more of just six simple machines? Learn all about how these six simple concepts have shaped our world today.

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Product Details

  • Jan 16, 2009 Pub Date:
  • 1433900351 ISBN-10:
  • 9781433900358 ISBN-13:
  • English Language
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