Across
- 2. a skilled job requiring specials skills
- 6. a person who looks after technical equipment
- 7. waste gases from an engine
- 9. an generator that converts mechanical energy into electrical energy
- 13. slang for a mechanic
Down
- 1. a person who repairs and maintains machinery
- 3. an arrangement in which someone learns a trade under another
- 4. a tool used to tighten bolts
- 5. a type of heavy oil used as fuel
- 8. a machine with moving parts that makes things move
- 10. adjust an engine to perform at maximum proficiency
- 11. a building where vehicles are kept
- 12. a pipe or chamber branching into several openings