Ключевые слова: accident, alert, attention, backdrop, background, banner, barrier, beware, black, blank, border, careful, caution, construction, danger, dangerous, design, exclamation, frame, grunge, hazard, illustration, industrial, industry, information, mark, message, notice, police, precaution, protection, risk, road, safety, security, sign, signal, stop, street, striped, stripes, symbol, template, texture, traffic, urban, wallpaper, warning, yellow,