Ключевые слова: background, barrel, biohazard, black, cargo, caution, chemical, container, contaminated, contamination, crisis, danger, dirty, disaster, drops, drum, ecology, empty, energy, environment, expired, fire, fuel, gallon, garbage, generated, heap, industrial, isolated, leakage, leaking, metal, mini, miniature, nuclear, oil, old, poison, pollution, radiation, radioactive, storage, substance, tank, toxic, uranium, warning, waste, white, yellow,