Ключевые слова: barrier, brick, building, canalization, caution, city, construct, construction, cover, danger, dark, descending, development, entry, equipment, gray, handle, hatch, heavy, highway, hole, hurdle, industrial, industry, isolated, ladder, lid, manhole, metal, metallic, open, outdoors, reconstruction, road, round, safety, sewerage, stairs, steel, street, underground, urban, vintage, white,