Ключевые слова: access, accident, area, attention, background, banner, barricade, black, board, caution, construction, copy space, crime, danger, dangerous, design, diagonal stripes, evidence, forbidden, hazard, hazardous, illustration, industrial, industry, information, isolated, line, notice, police, protection, restriction, risk, road, safety, security, sign, space, street, striped, stripes, symbol, tape, traffic, urban, wallpaper, warning, work, yellow, zone,