Ключевые слова: activity, adventure, air valve, apparatus, aquatic sport, balanced regulator, beach, boat, breathing, cylinder, deep, depth gauge, dive, dive mask, diver, diving equipment, diving flipper, diving regulator, equipment, extreme, extreme sports, gear, goggles, holiday, hypothermia, leisure activity, machine, occupation, ocean, oxygen, power inflator, prepared, pressure gauge, recreational pursuit, regulator, safety, scuba, scuba fins, scuba gear, scuba mask, sea, snorkel, sport, technology, toxicity, underwater, underwater diving, vacation, weight belt, wetsuit,