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k AIR DECOMPRESSION
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air supply allow ascent assembly basic block bottom breathing cable Check clamp compression compressor concrete Cordtex corrosion cutting cylinder decompression sickness decompression stop Decompression Table demand regulator demand valve depth detonators diameter diaphragm diver diving operations drill bit dry suit electrode emergency ensure equipment exhaust valve explosives face seal feet Figure fitted flow gas embolism gauge harness helmet hole hose inlet inspection jackstay length lens lever lift lubricant lungs main frame 11 manifold mask metal metres minutes neck ring neoprene nitrogen normally O-Ring one-way valve oxy-arc oxygen patient pillar valve pull recompression chamber removed repetitive dive safety Screw SCUBA Scuba set shaft side valve side valve body signal splice stage standard steel stop strand SURFACE DECOMPRESSION surface supplied diving symptoms taper thermal lance thread tool torch treatment tube tuck umbilical underwater Washer weight welding wire rope