Ключевые слова: acetylene, air, bottle, butane, compressed, container, cooking, cylinder, danger, energy, equipment, explosive, factory, flammable, fuel, gas, gauge, industrial, industry, instrument, isolated, liquid, lpg, metal, natural, object, old, oxygen, pipe, plant, pressure, propane, red, refill, regulator, rusty, safety, scale, scuba, steel, storage, tank, technology, two, valve, weld, welding, white, work,