Across
- 4. a part of machine that allows another part to rotate (go around)
- 5. an electronic device or tool
- 6. a person who invents or creates things
- 8. to move about restlessly; fiddle
- 9. to make something less serious; to relieve
- 10. a right given for an invention or the inventor
Down
- 1. to worry
- 2. focus all attention on something
- 3. a cause of harm or injury
- 7. a continuous, quick and slight shaking movement