Ключевые слова: accident, acid, announce, assistant, attention, bottle, burn, business, care, chemical, chemistry, closeup, connection, corrosive, danger, dangerous, dead, destroy, factory, fire, flame, flammable, gas, hazard, health, heat, icon, industry, infection, ingredient, label, laboratory, product, protection, pull, reaction, red, risk, safety, science, sign, stick, symbol, tag, tank, toxic, treatment, warn, working,