Ключевые слова: activity, asphalt, barrier, blue, boundary, building, city, closed, concepts, construction, damage, danger, day, dirt, equipment, fence, highway, hole, improvement, industrial, life, light, modern, occupation, orange, outdoors, pit, place, problems, red, repair, repairing, road, roadblock, round, safety, scene, sign, site, street, suburb, summer, sunlight, symbol, traffic, urban, warning, work, working, yellow,