Across
- 1. chemical plants
- 3. zones
- 9. highway
- 10. mechanical movement
- 16. nuclear power plants
- 17. inflatable space house
- 18. trains
- 19. railroads
- 20. network
- 21. oil rigs
- 23. plumbing
- 24. air systems
- 25. computers
- 26. satelites
Down
- 2. factory system
- 4. geothermal plants
- 5. flying
- 6. petrolium
- 7. pillows
- 8. covid vaccine
- 11. kinetic sand
- 12. quality products
- 13. wind tunnels
- 14. circuits
- 15. X-ray machines
- 22. yielding