1. A device consisting of a bar and pawl for allowing motion in one direction only
2. The state of being stretched tight
3. Rotating or causing something to rotate
4. A twisting force that causes rotation
4. To make arrangements to deal with or handle a task
5. Activity involving mental or physical effort done in order to achieve a purpose or result
6. A small metal block with a threaded hole used to fasten things together
7. A small and useful mechanical or electronic device
8. A tool used for gripping or holding objects
9. To alter or move something slightly to achieve the desired fit or position
10. A tool or part containing a hollow or concave shape used to fit or cover something
10. A strong, hard metal consisting of iron and carbon
11. Strength or energy as an attribute of physical action or movement
12. To cause to move around an axis or center point
13. A solid material that is typically hard, shiny, and malleable
14. A rigid bar that pivots on a fulcrum to create a mechanical advantage
15. Not securely attached or fastened
16. A threaded fastener with a tapered head
17. A device used to hold or secure objects tightly together
18. To securely attach or fix something in place
19. Part of a wrench that holds onto an object for turning
20. A long cylindrical tube used for conveying fluids
21. The part of a bolt or screw that is shaped like a circle with a raised edge