Ключевые слова: accident, advice, advisory, alarm, alert, attention, background, beware, black, building, button, careful, caution, construction, danger, dangerous, design, error, excitement, exclamation, hazard, icon, illustration, industry, information, isolated, mark, message, point, precaution, protection, risk, road, safety, secure, security, sign, signal, site, stop, street, symbol, traffic, triangle, warn, warning, web, white, yellow,