Ключевые слова: acetylene, air, bottle, closeup, compressed, container, cylinder, danger, dangerous, energy, equipment, facilities, flammable, heavy industry, industrial, industry, liquefied, liquid, manufacturing, manufacturing industry, metal, metallic, nitrox, oxidation, oxygen, oxygen cylinders, pressure, pressurized, propane, safety, secure, steel, storage, supply, technology, tool, tubing,