Ключевые слова: asphalt, background, city, cross, crosswalk, danger, empty, factory, floor, foot path, highway, industrial, industry, lane, lifesaver, line, lines, mark, outdoor, paint, parking, pattern, pavement, pedestrian, post, road, roadway, safety, safety first, sidewalk, sign, signal, speed, street, striped, surface, symbol, traffic, transport, transportation, travel, urban, walk, walk way, walkway, warning, way, yellow, zebra,