Ключевые слова: city, city infrastructure, communal, construct, construction, culverts, damage, development, dirty, ditch, drainage, economy, excavation, foundation, fuel, heating, heating pipes, housing, industrial, infrastructure, infrastructure development, installation, installing, job, large, laying, municipal, network, pipe, pipeline, pipeline construction, pipes, pit, plumbing, plumbing pipes, repair, repair work, replacement, section, sewage, sewer, sewerage, system, systems, trench, underground, utility, waste, water, work,