Simple Machine

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Across
  1. 2. crane
  2. 4. buggy
  3. 5. inclined plane rapped around a cylinder
  4. 6. bar with pivot
  5. 8. make work easier
Down
  1. 1. title angle
  2. 3. rod pivots
  3. 6. excreted force
  4. 7. ax
  5. 9. change position