Ключевые слова: accident, alarm, alert, attention, background, beware, black, button, careful, caution, collection, construction, danger, dangerous, design, error, exclamation, flat, graphic, hazard, icon, illustration, important, information, isolated, label, mark, message, notice, outline, pictogram, problem, risk, road, safety, security, set, sign, signal, simple, stop, symbol, traffic, triangle, warn, warning, web, white, yellow,