Ключевые слова: accident, acid, alert, assistant, burn, care, caution, chemical, chemistry, combustion, corrosive, damage, danger, dangerous, dead, destroy, environment, explosive, factory, gas, global, hazard, hazardous, health, help, hydroxide, icon, industrial, industry, information, lab, label, laboratory, material, notice, poison, prevent, property, protection, resistant, risk, safety, shape, sign, substance, symbol, tag, tank, toxic, warning,