Ключевые слова: barrel, blue, chemical, chemistry, container, contamination, danger, dangerous, drum, energy, environment, environmental, equipment, factory, fluid, fuel, gallon, garbage, gas, gasoline, hazard, hazardous, industrial, industry, liquid, logistic, material, metal, nuclear, oil, person, plastic, poison, pollution, power, radiation, radioactive, safety, steel, storage, symbol, tank, toxic, warehouse, warning, waste, yellow,