Ключевые слова: acid, barrel, bottle, broken, chemical, chemistry, container, corrosive, damage, danger, dangerous, death, destroy, dirt, dirty, disaster, drop, environment, environmental, factory, hazard, industrial, industry, laboratory, leak, leaking, old, poison, problem, product, reaction, risk, safety, science, slick, spill, stain, substance, surface, symbol, tank, warn, waste, white, work,