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Chapter Two Spearfishing
Chapter Three Scuba Diving
Chapter Four Inside Scuba
8 other sections not shown
air embolism air supply Aquabat arbalete ascend barracuda become Behavior boat body bottom breathing bubbles buddy buoyancy Burton McNeely camera carbon dioxide cause cave diving clear color compressed air compressor coral Courtesy cubic dangerous decompression depth distance diver diver's flag Diving Clubs dry suit equalize equipment exhale filled film filter fins fish flash Florida Hank Frey helium-oxygen helmet hold hose housing hydrospace inch Jerry Greenberg keep knife lens light Location lungs marine mask minutes Momsen Lung mouth mouthpiece neoprene nitrogen nitrogen narcosis nose clip oxygen painting partial pressure Photo by Burton Photo by Jerry Photograph plastic Plexiglas rays recompression chamber regulator rubber scuba diving Sea Hunt shaft shallow water shark side single-hose skin diving skin-diving snorkel spear spearfishing speargun Sting surface swimming tank temperature thirty feet tropical tube U.S. Navy underwater valve visibility water pressure wear weight belt wreck