Ключевые слова: accesschamber, background, black, cablechamber, check, checkered, chequered, circle, circular, city, closeup, confinedspace, construction, cover, detail, drain, drainage, grate, half, hole, industrial, industry, inspectionchamber, iron, lid, maintenancehole, manhole, metal, part, plate, rough, round, sewer, sewerage, steel, surface, texture, top, urban, utilityhole,