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FROM OUT OF THE PAST
THE SAFE DIVER
SNORKEL SUIT AND SCUBA
8 other sections not shown
33 feet abalone actual bottom Air Decompression Table air embolism air supply air tank Aqua-Lung arms atmosphere beach blood boat body bubbles buddy breathe buoyancy compensator buoyancy compensator vest carbon dioxide cause cave diving chest compass compressed coral cubic currents cylinder decompression sickness decompression stops Decompression Table deep dives deeper depth gauge diving cylinder enter the water entry equipment exhale exit exposure face mask fins fish float gear hand head hose inches inflate keep kelp kick legs lungs marine minutes mouth mouthpiece nitrogen narcosis ocean oxygen pounds previous dive pull regulator repetitive dive repetitive group designation residual nitrogen rocks safety scuba diver shallow shark shore side skills skin diver snorkel spear sport diver squeeze Standard Air Decompression stay strap submerged sure surf line surface interval tank valve tissues tube U.S. Navy underwater world victim waves wearing weight belt wet suit