Across
- 1. nuclear power plants
- 7. sees water quality and sewage treatment
- 9. chemical manufacturing process
- 15. houses and buildings
- 18. animal habitats
- 19. railroad components
- 21. lighting manufacturing
- 24. ;make medicine for animals
- 25. and study DNA
- 26. telephones
Down
- 2. sure a building is strong
- 3. highways and flow of traffic
- 4. jet engines
- 5. paper making machines
- 6. processing machines
- 8. sure an item is of good quality
- 10. buildings
- 11. the stress point of a material
- 12. anti-lock brakes
- 13. utilities available
- 14. x-rays
- 16. tools for doctors
- 17. oil mining machines
- 20. electrical wires and poles
- 22. brakes
- 23. in motion