Across
- 3. make hydro dams
- 7. engineers combine engineering and science
- 9. sells complex sciences
- 10. increase efficeny in industry
- 16. electricity
Down
- 1. chemisrty
- 2. extracts oil from the ground
- 4. makes new fabrics and fibers
- 5. works with engines
- 6. protect people
- 8. Changes genetics
- 11. robot
- 12. Design aircraft
- 13. works with eyes
- 14. nuclear energy
- 15. work with jet