Simple Machines

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Across
  1. 3. How fast you are
  2. 4. Crane
  3. 6. Car
  4. 7. Doorstop
  5. 8. Push or a Pull
  6. 9. Changing Position
Down
  1. 1. Ramp
  2. 2. They make work easier
  3. 3. Attaches wood together
  4. 5. Seesaw