Simple Machines

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Across
  1. 5. 2 or more simple machines
  2. 7. Spiral Incline Plains
  3. 9. FOI
  4. 10. FIO
Down
  1. 1. Axle connected to a wheel
  2. 2. A Ramp
  3. 3. Pulley that doesn't move
  4. 4. 1 or 2 sloping sides
  5. 6. One end is fixed but the other moves
  6. 8. IFO