MACHINES

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Across
  1. 3. machine with few parts
  2. 4. bar with a fulcrum to move objets
  3. 6. uses a robe and a wheel to lift objects
  4. 7. A tube that joins two wheels
Down
  1. 1. machine made of simple machines
  2. 2. rounded shape machine
  3. 3. used to join parts
  4. 5. another name for an inclined plane