Ключевые слова: area, attention, background, ban, barrier, blue, caution, choice, city, closeup, color, cone, danger, equipment, forbidden, hazard, highway, icon, information, many, no, nobody, object, outdoor, parking, pavement, plastic, prevention, prohibit, prohibited, red, reserved, road, safety, sale, security, shop, sign, signal, site, stop, street, symbol, traffic, transport, transportation, urban, warning, work, zone,