Ключевые слова: acetylene, background, balloon, barrel, bbq, blue, bottle, butane, camping, canister, carbon, compressed, container, cooking, cylinder, danger, dangerous, dioxide, domestic, equipment, flammable, flat, fuel, gas, grill, home, house, icon, illustration, industrial, isometric, liquefied, liquid, lpg, metal, natural, nitrogen, oxygen, petroleum, propane, red, safety, sign, simple, storage, tank, valve,