Ключевые слова: accesschamber, asphalt, bitumen, black, cablechamber, circle, circular, city, closeup, confinedspace, construction, cover, cracked, crossing, dividing, drainage, gray, hatch, heavy, hole, industrial, industry, inspectionchamber, iron, lid, line, maintenancehole, manhole, marking, metal, paint, pavement, pedestrian, road, round, rust, rusty, sewer, sewerage, steel, surface, top, underground, urban, utilityhole, weathered, white, worn, zebra,