Ключевые слова: alcohol, barrier boom, barrier gate, business, care, caution, chemical, chemical container, concept, danger, dangerous, emergency, engine, environment, ethyl, factory, fire, flame, flammable, flammable sign, fuel, gas, gasoline, hazard, hazardous, health, industrial, industry, label, laboratory, liquid, lorry, material, methyl, object, oil, prevent, protect, protection, red, risk, safety, sign, single, stop, symbol, tank, toxic symbol, warning,