Ключевые слова: alert, asphalt, attention, barrier, beware, block, border, boundary, build, caution, city, cone, construction, development, digging, direction, dirt, fence, forbidden, highway, hurdle, industrial, industry, lamp, lantern, marking, obstacle, pass, plastic, prohibition, repair, road, roadside, roadway, roadwork, safety, security, sign, soil, stop, street, symbol, tool, traffic, transport, triangle, urban, warning, work, works,