Ключевые слова: barrier boom, barrier gate, business, care, chemical, chemical container, chemicals, concept, danger, dangerous, emergency, engine, environment, fire, flame, flammable, flammable sign, fuel, gas, gasoline, hazard, hazard sign, hazardous, hazardous chemicals, hazardous to the environment, health, industry, label, laboratory, liquid, lorry, material, object, oil, prevent, protect, protection, red, safety, sign, single, stop, symbol, tank, tanker, toxic symbol, transport, transportation, warning,