Ключевые слова: access, advice, ahead, alert, attention, background, beware, careful, caution, conceptual, danger, dangerous, design, element, front view, graphic, hazard, hazardous, icon, illustration, industrial, info, inform, information, isolated, message, notice, object, pictogram, prevention, problem, protection, public, risk, roadsign, safety, security, shape, sign, silhouette, square, stop, symbol, text, transport, warn, web, white,