Across
- 4. quality control systems
- 6. robots
- 10. flight systems
- 15. jet engines
- 17. electric circuits
- 18. manufacturing systems
- 19. offshore oil rigs
- 20. batteries
Down
- 1. farm tools
- 2. cosmetics
- 3. lab equipment
- 5. geothermal energy plants
- 7. systems that turn kinetic energy into electricity
- 8. pipelines
- 9. tunnels
- 11. dams
- 12. oil drills
- 13. nuclear power plants
- 14. buildings
- 16. race cars