Across
- 5. study's DNA
- 6. makes locks for cars
- 7. the flow of traffic
- 9. makes technology for health
- 11. make jet engines
- 12. works with lights
Down
- 1. houses and building
- 2. food processing machines
- 3. deal with movement human
- 4. design towers and brides
- 8. makes planes and space craft
- 10. design electric wires