Across
- 2. choice
- 3. Usually liquid that machine needs to work
- 4. Operates by it self
- 5. Part that is needed to make machine work
- 7. Needs little fuel to product more energy
- 9. Maintains and monitors machines
- 11. Waste made by burning fuel in machine
Down
- 1. Machine that turns fuel to spinning energy
- 6. Something is used first time to make sure it works correctly
- 8. General word to describe machines that move
- 10. Movable or/and combact
