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Physiological Problems of Diving
Equipment and Its Uses
Build It Yourself
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Adolph Kiefer Aqua-Lung ascent attached beach boat body bottom breathing apparatus buckle California carbon dioxide cloth tags Coast color continental shelves coral Courtesy crab cylinder Dacor dangerous decompression stops Decompression Table depth diving equipment diving mask dry suit exhaled exposure feet fins fish float Florida foot George Knoblach hand spear Hans Hass Hawaiian sling Healthways lens light lobster lungs marine minutes mouth mouthpiece movie Navy nitrogen octopus oxygen partial pressure Photo by George photographs poisonous possible Rebikoff repetitive dive repetitive group designation rocks rubber suits safety salvage SCUBA self-contained shark shells ships shore skin divers snorkel spear guns spearfisherman spearfishermen spearfishing species sport square inch squid steel straps submerged surf surface interval Swimaster swimming tank temperature tide tion tube U. S. Divers underwater photography Underwater Spearfishing usually valve Voit water pressure wearing weight belt wet suit whales