Across
- 3. design highways
- 7. make jet engines
- 9. supervise lighting
- 10. design of nuclear power plants
- 13. anti-lock brakes for cars
- 15. design components for railroads
- 16. make tools for doctors
- 17. electrical poles
- 19. make sure there's enough stuff to use
- 20. make paper machines
- 22. tunnels
- 25. invented rocketship
- 26. design phones
Down
- 1. design habitats for animals
- 2. oil mining machines
- 4. a sewer make sure water overseas sewage is safe
- 5. test stress points
- 6. make sure buildings are strong
- 8. vaccines
- 11. make sure items quality is good
- 12. create Xrays
- 14. make sure medicine is suitable for animals
- 18. deal with movement that humans make
- 21. study DNA
- 23. insulate houses
- 24. food processing machines