Across
- 3. oil
- 6. phones
- 7. medicine
- 8. engines
- 13. dna
- 14. brakes
- 16. medicine
- 18. bridges
- 19. building
- 21. paper
- 24. lighting
- 25. powerplants
- 26. food
Down
- 1. movement
- 2. zoo
- 4. flying
- 5. xrays
- 9. electricity
- 10. utilities
- 11. sewage
- 12. medicine
- 15. stress
- 17. insulation
- 20. quality
- 22. trains
- 23. highways