Simple Machines

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Across
  1. 3. and Axle, I am used to move things on the ground
  2. 4. Hook, I am used for Mummification
  3. 5. used for battles
  4. 8. My main use is to split things apart
Down
  1. 1. I redirect your force
  2. 2. I am used for Irrigation
  3. 4. Plane, I am used to move heavy weight up and down two levels
  4. 6. My main use is to hold things together
  5. 7. I have three types