Ключевые слова: air, background, bottle, breath, breathing, compressed, container, control, cylinder, dive, diver, diving, egypt, energy, equipment, exercise, factory, gas, gear, green, instrument, island, leisure, liquid, manufacturing, many, medical, metal, metallic, object, ocean, oxygen, pressure, regulator, row, safety, scuba, sea, sport, steel, storage, store, tank, technology, travel, underwater, vacation, valve, water, white,