Ключевые слова: accident, asphalt, attention, background, broken, canalization, cap, circle, circular, construction, cover, danger, dangerous, dirty, drain, fail, hatch, highway, hole, industry, infrastructure, iron, job, labor, lid, manhole, metal, old, open, outdoor, processing, repair, road, safety, sewage, sewer, sewerage, sidewalk, sign, steel, street, toilets, tube, under, underground, unsecured, urban, water, work,