Across
- 5. Design oil mining machines
- 7. makes sure is of good quality
- 10. design nuclear power plants
- 11. maps and makes highways
- 12. make paper making machines
- 13. make jet engines
Down
- 1. Makes food processing machines
- 2. makes sure buildings are structurally strong
- 3. manipulate and study DNA
- 4. makes tools for doctors
- 6. Deal with electricity
- 8. designs components for railroads
- 9. Makes space crafts