Ключевые слова: accident, alarm, alert, attention, background, caution, communication, cutout, damage, danger, dangerous, endanger, error, exclaim, exclamation, failure, halt, harm, hazard, hazardous, icon, illustration, imperil, information, mark, message, peril, pictogram, prevent, prevention, protect, protection, red, risk, road, safety, secure, security, shape, sign, stop, symbol, threat, triangle, triangular, warn,