Ключевые слова: accident, acid, alert, attention, biochemical, black, burn, care, caution, chemical, chemical substances, chemistry, contaminated, corrosion, corrosive, corrosive substances, damage, danger, dangerous, detergents, emergency, equipment, glove, hand, hazard, hazardous, icon, illustration, industrial, industry, injury, isolated, liquid, pain, peroxide, poison, protect, protection, reaction, risk, safety, security, sign, substance, symbol, triangle, unsafe, warn, yellow,