Across
- 3. legal documents registering an invention
- 6. working in a rough way and making popping noises
- 9. small, specialized machines
- 10. to be very good at something
- 11. engines that make a train go forward
- 12. moving slowly and noisily
- 13. has circular ends and straight sides
Down
- 1. giving off a lot of light
- 2. a complete failure
- 4. think very highly of someone
- 5. a machine that plays recorded music
- 7. to go above or beyond a boundary
- 8. a person who is famous for his or her achievements