Ключевые слова: alert, atomic, barrel, biohazard symbol, caution, chemical, chemistry, concept, container, contamination, danger, dangerous, deadly, dump, ecology, environment, environmental, fuel, garbage, hazard, hazardous, icon, industrial, industry, label, metal, nuclear, poisonous, pollution, radiation, radioactive, risk, safety, sign, skull, storage, substance, symbol, tank, toxic, toxic waste, toxicity, warning, warning sign, waste, yellow,