Ключевые слова: adventure, air, aqualung, be, breath, compressed, cylinder, diver, diving, equipment, exercise, exploration, extreme, gear, hobby, holiday, leisure, male, man, metal, metallic, net, ocean, oxygen, people, plastic, pressure, protection, recreation, regulator, rubber, snorkeling, sport, steel, summer, swim, swimming, tank, toilet, travel, underwater, valve, wetsuit, yellow,