Ключевые слова: alert, area, attention, background, banner, barrier, black, bone, border, card, caution, chemical, crossbones, danger, dangerous, design, forbidden, frame, hazard, icon, illustration, industrial, industry, information, keep out, label, line, mark, medicine, pattern, pictogram, poison, poster, prohibition, protection, radiation, risk, safety, security, sign, skeleton, skull, stop, symbol, template, toxic, vector, warning, yellow, zone,