Ключевые слова: aqueduct, blue, bore hole, borehole, borehole drilling, building, canalization, cast iron, catch, close up, concrete, concrete stop, concrete well, construction, construction site, cover, crude iron, damper, ditch, drain, earth, fastener, fastening, faucet, handwork, hole, home, house, install, internal screw, manhole, northern stream 2, open, outdoors, pipe, pipeline, plastic, plumber, plumbing, plumbing work, repair, sewage, site, water, water borehole, water pipes, water well, well,