Across
- 3. make sure planes work
- 7. complex networks
- 9. deals with physical and life sciences
- 10. Develop organisms
- 12. roads and stuff
- 13. flight and space
- 16. design safety systems
- 17. design lighting effects
- 19. invent
Down
- 1. fix problems
- 2. materials around pipes and in walls
- 4. fac tor y work
- 5. develop cages for endangered species
- 6. chemicals
- 8. develop and test software
- 11. radiation and energy
- 14. electric systems
- 15. work to understand petrolem
- 18. innovative designs and projects