Ключевые слова: aquatic, borehole, builder, canalization, conduit, connection, dig, digging, dirt, dirty, drain, drainage, duct, earth, engineer, filter, fitting, ground, hand, hole, installing, job, joint, large, network, pipe, pipeline, pit, plastic, plumber, plumbing, polyethylene pipe, pump, pumping, reconstruction, repair, repairing, sand, service, sewage, sewerage, site, system, tool, trench, tube, water, water pipe, well,