Greatest Engineering Achievements of the 20^th Century

1. Electrification

2. Automobile

3. Airplane

4. Water Supply and Distribution

5. Electronics

6. Radio and Television

7. Agricultural Mechanization

8. Computers

9. Telephone

10. Air Conditioning

and Refrigeration

11. Highways

12. Spacecraft

13. Internet

14. Imaging

15. Household Appliances

16. Health Technologies

17. Petroleum and

Petrochemical Technologies

18. Laser and Fiber Optics

19. Nuclear Technologies

20. High-performance Materials

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