Ключевые слова: acid, area, background, barrel, caustic, chemical, corrosive, cylinder, danger, dangerous, diesel, drum, environment, equipment, fire, flammable, gallon, gas, gasoline, harmful, hazardous, icon, industrial, irritant, label, liquid, material, nuclear, oil, petrol, petroleum, poison, pollution, protect, protection, radiation, risk, safety, sign, skull, sticker, storage, store, substance, sulfuric, symbol, tank, toxic, warning, waste,