Ключевые слова: building project, channel, channel relocation, channel work, civil engineering, concrete, concrete pipe, concrete pipes, constraction pipes, construction, construction work, deep, drain, earthwork, earthworks, gulli, gullideckel, manhole cover, pipe, pipe system, pipes, road, road construction, roar, sewer, sewer construction, sewer pipes, sewerage, street new building, waste pipe, water pipe,