Ключевые слова: aqueduct, attachment, basement, cable, cable channel, cable funnel, cement, concrete, conduit, duct, ductwork, effluent, ferroconcrete, fire detector, flame detector, grey, heating, heating pipe, heating tube, industry, insulator, isolation, main, pipe, pipeline, plumbing, sewage water, sewage water system, sewerage, sewers, water, water line, water pipeline, wire,