Across
- 3. legal document inventors great so no one is allowed to make or sell their invention
- 5. to be very good at something
- 6. to go over and beyond
- 7. engines that make a train go forward
- 11. object with circular ends and straight sides;a cylinder in an engine takes in gas to make other parts move
- 12. small, specialized machines or electronic devices
Down
- 1. famous for his or her achievements
- 2. working in a rough or uneven way and making a popping noise
- 4. gives off light
- 8. think highly of a person
- 9. machine that plays recorded music or sound
- 10. complete failure
- 11. move slowly and noisily