Ключевые слова: air, aqualung, autogen, black, bottle, breath, breathing, checkup, compressed, control, cylinder, dangerous, din, dive, diver, equipment, exercise, explosive, first, gas, gas cutting, gauge, gear, hdr, high, industry, leisure, liquid, manufacturing, metal, metallic, nautical, old, one, oxygen, pressure, pressure gauge, regulator, retro, safety, scuba, second, stage, steel, storage, tank, temperature, under, underwater, valve,