Ключевые слова: accident, attention, background, barrel, beware, burning, caution, close, concept, danger, dangerous, detail, explosion, explosive, factory, fire, fire danger, fire warning, flame, flammable, fuel, fumes, gas, hazard, hazardous, health, icon, industrial, industry, label, liquid, oil, petrol, petroleum, pollution, risk, road, safety, sign, signage, station, sticker, substance, symbol, tanker, unsafe, up, warning, yellow,