Across
- 3. Create-Materials
- 5. Technology
- 9. better-products
- 10. Land
- 11. Bridge
- 14. Improving-gas
- 16. Buildings
- 18. Stability
- 22. Cost-management-for-construction
- 23. Tunnel
- 24. train-switches
- 26. Lighting-structures
Down
- 1. Highways
- 2. Fire
- 4. Transport-hubs
- 6. Storage
- 7. energy
- 8. Water
- 12. X-rays
- 13. Computer-Program
- 15. Stable
- 17. Improvement
- 19. Testers
- 20. Structures
- 21. Windmills
- 25. heating-cooling-apartments