Ключевые слова: accident, advice, alarm, alert, attention, background, beware, button, careful, caution, construction, danger, dangerous, design, error, exclamation, failure, graphic, hazard, icon, illustration, important, information, internet, isolated, label, mark, message, notice, point, precaution, problem, protect, protection, risk, road, safety, secure, security, sign, signal, stop, symbol, traffic, triangle, warn, warning, web, white,