1. ENHANCHING

2. Combine with
other element
APPLICATION
combustion
direct
Respiration
process
Oxygen gas
Storage in
indirect cylinder bottle or
tank

3. Direct uses of O2
1. Combustion
CH4 +2O2 CO2 +2H2O

4. Direct uses of O2
1. Combine with other element
4H + O2 2H2O

5. Direct uses of O2
1. Respiration process

6. Indirect uses of O2
1. Diving
2. Welding
3. Outer space
4. Aircraft
5. Medical

7. Diving

8. Welding

9. Outer space

10. Aircraft

11. Medical