Across
- 5. A handle that is turned to move something
- 7. A tool for turning screws
- 8. A long, flat piece of wood
- 9. A circular object that turns on an axle
- 10. A piece of material driven between objects to split or hold them
- 11. A wheel that guides a rope
- 14. A rod that connects wheels
- 15. A shaft for rotating wheels
- 16. A tool for hitting nails
- 17. A sloped surface connecting different levels
Down
- 1. A cylinder with a helical ridge
- 2. A flat surface set at an angle
- 3. The pivot point of a lever
- 4. A part of a pulley system
- 6. The part by which something is held
- 9. A machine used for pulling or lifting
- 12. A bar that pivots on a fulcrum
- 13. A rotating machine part with teeth