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