Ключевые слова: blue, bottled, bottles, butane, calor, caution, chemical, chemist, chemistry, compressed, container, cooking gas, cylinder, dangerous, deliver, distributor, domestic, energy, environment, exclamation, explode, explosion, explosive, flammable, gas, gas cylinder, health, heating, industrial, industry, inflammable, laboratory, law, oil, personnel, power, pressure, propane, protect, protection, refill, regulations, restricted, reusable, scientific, stack, steel, storage, tank, warehouse,