Ключевые слова: architecture, build, building, cement, concrete, concrete foundation, concrete slab, connection, construct, construction, construction site, drain, drainage, engineering, equipment, foundation, foundation construction, foundations house, gray, hole, home, house, housing, industrial, installation, material, new, outdoor, pipe, pipeline, pipes, piping, plumbing, residential, sewage, sewer, structure, system, technology, underfloor, wall, water, water supply, work,