Simple Machines

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Across
  1. 2. Simple Machine used to draw water from wells
  2. 4. A pointy-edged Simple Machine
  3. 5. Simple Machine used in see-saw and nutcracker
  4. 6. Only Simple Machine that starts with an 's'
Down
  1. 1. Simple Machine used in car wheels
  2. 3. A sloped Simple Machine like a ramp
  3. 6. There are __Simple Machines