Ключевые слова: air, argon, bottle, butane, compressed, container, cylinder, cylinders, danger, dangerous, energy, explosion, explosive, factory, fire, flammable, fuel, gas, gauge, hose, hydrogen, illustrative editorial, industrial, industry, instrumentation, isolated, keys, leak, liquefied, liquid, manufacturing, metal, natural, norrland, oxygen, petroleum, pressure, production, propane, refill, regulator, reusable, steel, storage, tank, tanks, umea, valve, valves, welding,