Ключевые слова: abstract, arrow, background, beware, black, cautio n, combustible, corrosive, danger, element, explosives, flam mable, fuel, gas, graphic, hazardous, hazmat, icon, illu stration, inhalation, isolated, material, oil, orange, organic, oxidize, oxy gen, peroxide, placards, poison, radioactive, red, risk, road, safety, set, sign, skull, stop, street, symbol, symbols, tra nsportation, traffic, triangle, vector, wallpaper, warning, white, yellow,