Machines - Robots - Automobiles - Energy - Never Ending Technology - Power - Go Green - Pumps - Compressors - Power Plant - CAD - Cooling Tower - Oil & Gas - Heat Exchangers - Interview - Mock campus - Ship - Materials ...
Nitrogen 78.08%
Oxygen 20.95%
Argon 0.93%
Neon 0.0018%
Helium 0.0005%
Krypton 0.00011%
Xenon 0.000009%
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