Example image of eyePlorer eyePlorer map for 'Trimix (breathing gas)': Breathing gas Helium Nitrogen Oxygen Professional diving Technical diving Nitrogen narcosis Oxygen toxicity Graham's law Dry suit Arthralgia Hyperbaric medicine Decompression stop Dive tables Maximum operating depth Heliox High pressure nervous syndrome Equivalent narcotic depth Rebreather Decantation Diving air compressor Diving cylinder Earth's atmosphere Gas blending Pressure National Association of Underwater Instructors Global Underwater Explorers Unified Team Diving USS Sailfish (SS-192) United States Navy Cave diving Sheck Exley Wakulla Springs Billy Deans (diver) International Association of Nitrox and Technical Divers Tom Mount Gary Gentile John Chatterton RMS Lusitania Wreck diving John Bennett (diver) David Shaw (diver) Oxygen tank CDLSE Helium release valve Ratio decompression Heliair Hydreliox Professional Association of Diving Instructors Electro-galvanic fuel cell