Ключевые слова: acid, alcohol, business, chemical, chemical container, chemicals, concept, corrosion, corrosive, danger, dangerous, emergency, environment, ethyl, factory, fire, flame, flammable, flammable sign, fuel, gas, gasoline, hazard, hazard sign, hazardous, hazardous chemicals, hazardous to the environment, health, hydroxide, industry, label, laboratory, liquid, material, methyl, object, oil, prevent, product, risk, safety, sign, symbol, tag, tank, toxic symbol, warning, warning symbols, waste,