The air diver enters the water at 11:37 a.m. and dives to 130 feet for eight minutes. The nitrox/computer diver enters the water at the same time and dives to 132 feet for 11 minutes. Surface Interval ...
If you scuba dive, you may already have heard of Nitrox. To breath underwater, most divers use a normal atmospheric air mixture (21% oxygen, 78% nitrogen, 1% trace gases) under pressure. One the ...
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