Divers use 21% Oxygen and 79% nitrogen while underwater. It results in the same exact air we breath on the surface.
water proof ones
Some diver use nitrogen to stay underwater for longer but usually compressed air is usedfor those who don't use nitrogen
In a tenths situation is when sky divers use decimals.
What kind of companies use natural gas in California?
unleaded
The use of an oxygen analyzer would be advised. Most nitrox and technical divers have one.
Nitrogen
Diver Suits
rough
Hydrogen Gas.
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