Ключевые слова: air, aqualung, autogen, black, blue, blur, bottle, breath, checkup, control, cylinder, danger, din, dive, diver, equipment, fire, first, gage, gas, gauge, gear, high, industry, leisure, metal, old, oxygen, pipe, power, pressure, red, regulator, retro, rubber, rusty, safety, scuba, steel, tank, under, valve,