simple machines

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Across
  1. 2. The point of support in a lever.
  2. 3. A triangular machine used for cutting (e.g., axe, knife).
  3. 4. An inclined plane wrapped around a cylinder.
  4. 5. Simple machine used in wells to draw water.
Down
  1. 1. PLANE A slope that makes work easier.
  2. 3. AND AXLE A machine made of a wheel and an axle.