Tecnological innovations
by ceci herrera
1. Telephones
2. Radio
3. Internet
4. Computers
5. Computers
6. Written Language
7. electricity.
8. Kers System
9. Airplanes
10. Medicines
11. Fire
12. Cars
13. programming languages
14. headphones
15. Computers
16. The wheel
17. Social Networks
18. Sanitation
19. computers
20. Combustion Engine
21. Microwaves
22. Elevator
23. Computers
