Ключевые слова: activity, adventure, aqualung, blue, boat, checking, compass, compressed, compression, control, deep, device, diver, diving, equipment, extreme, fun, gas, gear, instructor, instrument, learn diving, leisure, man, mask, net, ocean, preparation, preparing, pressure, reef, regulator, relaxation, scuba, scubadiving, sea, spearfishing, sport, suit, swim, swimming, training, travel, underwater, valve, water, waterproof dive, wet,