Ключевые слова: alert, attention, background, beware, black, button, caution, chemical, construction, danger, dangerous, environment, error, exclamation, explosive, flammable, harmful, hazard, icon, illustration, industrial, industry, information, isolated, label, mark, message, pictogram, point, poison, precaution, protection, radiation, risk, road, safety, secure, security, sign, stop, street, symbol, toxic, traffic, triangle, warn, warning, web, yellow,