Simple Machines

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Across
  1. 3. advantage
  2. 5. a jar
  3. 7. used to pick every objects
  4. 9. and tackle is another word for pulley
  5. 10. in the middle of a lever
Down
  1. 1. a well
  2. 2. a shovel
  3. 4. plane ramp
  4. 6. efficiency
  5. 8. and axle wheelbarrow