Across
- 4. Specialized machines or electronics
- 5. Having circular ends and straight sides
- 6. Complete failure
- 9. Something that gives off light
Down
- 1. Worked in a rough, uneven way
- 2. Move slowly and noisily
- 3. Engines that make a train go forward
- 7. Legal documents that make it so no one else can sell your invention
- 8. Machine that plays recorded sound