Ключевые слова: burn, cartel, caution, chemical, contamination, danger, dangerous, energy, environment, fire, flame, flammable, forbidden, fuel, gas, hydrocarbon, icon, industrial, industry, inflame combustible, insignia, italian, line, oil, outside, paint, petrochemical, pipeline, risk, risky, safety, security, sign, signal, signboard, surface, symbol, wall, warning, weathered, yellow,