Across
- 5. people who make roads
- 10. made the paper making machines
- 11. they make animal habitats
- 12. people who make medicine for animals
- 14. made power plants
- 15. people who make phones
- 18. make railroad components
- 19. people who make insulation for houses and buildings
- 20. make sure to see if a product has enough quality
Down
- 1. makes jet engines
- 2. people who made gym equipment
- 3. made the Memristor
- 4. made a artificial heart
- 6. invented concrete
- 7. made the X-ray
- 8. people who make oil miming machines
- 9. people who invented BEAM
- 13. people who make tools for doctors
- 16. made GMO's
- 17. people who make highways