Ключевые слова: barrel, blue, chemical, chemicals, concept, container, danger, design, diesel, drum, ecology, element, energy, environment, flammable, fluid, fossil, freight, fuel, gallon, gas, gasoline, glossy, icon, illustration, industrial, industry, isolated, keg, liquid, market, metal, oil, petrol, petroleum, poison, power, reserve, sign, steel, storage, symbol, tank, toxic, white,