Ключевые слова: accident, advice, alert, app, attention, beware, careful, caution, collection, danger, dangerous, error, exclamation, graphic, hazard, health, icon, illustration, important, information, isolated, label, mark, message, notice, outline, pictogram, point, problem, red, risk, road, safety, security, sign, signage, signal, signs, simple, symbol, threat, traffic, triangle, warn, warning, web, work, yellow,