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Servers

How Levers Help Us

How Levers Help Us Released

How Levers Help Us Released

Documentary
  • 0
  • .
  • 1970
  • .
  • en
  • .
  • US
  • .
  • 11m

This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.

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