Ключевые слова: architecture, background, broad slab, canalization, cap, castings, causeway, causey, circle, city, collector, commutator inspection hole, cover, design, drain, drainage, drainage system, founding, grunge, hatch, hatch cover, hatchway, infrastructure, injection molding, luke, manhole, metal, moulding, old, pattern, pave, pavement, paving, retro, road, roadway, round, sewage, sewer, sewerage, sidewalk, stone, street, sump, texture, tiles, top, trapdoor, underground duct, urban,