Ключевые слова: accident, acid, alcohol, burn, caution, chemical, chemistry, corrosion, corrosive, danger, dangerous, emergency, environment, factory, fire, flame, flammable, forklift, fuel, gas, gasoline, hazard, hazardous, health, hydroxide, industrial, industry, label, laboratory, liquid, manufacturing, material, methyl, object, oil, product, protect, risk, safety, scientific, sign, symbol, tag, tank, toxic, toxic symbol, truck, warning, waste,