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History of Diving
Physical Fitness for Diving
Skin and Scuba Diving Equipment
6 other sections not shown
33 feet air cylinder AIR DECOMPRESSION TABLE air embolism air tank amount aqualung aquarium areas ascent atmospheres barracuda basic become beneath blood body bottom breathing bubbles camera carbon dioxide catch cause color compressed coral creatures dangerous decompression stops Decompression Table depth gauge descent developed dry suit effects enter the water exhale exposure faceplate film flippers float fresh water inch inhale kick killer whales light lion fish Manta Ray middle ear Moray Eel mouth-to-mouth mouthpiece neoprene never Nitrogen Narcosis normal ocean open-heel fins oxygen percent plastic poisoning problems reef regulator repetitive dive repetitive group designation require rocks rubber saltwater fish scuba diver scuba equipment sea lions shark sinus skin divers snorkel spear spearfisherman spearfishing speargun species sport Standard Air Decompression sting strap submerged surface interval swim temperature tissues tube underwater photography urchin usually valve water pressure wear wet suit