Ключевые слова: also, and water, assembly, background, building, concrete, connection, construction, copper, copper pipe, cut, cutter, domestic, elbow, equipment, fittings, flow, hardware, industry, installation, measure, metal, occupation, pipe, plectrum, plumbing, principalopen, profession, red, repair, service, shedding tears, shells, shiny, socket, start, system, tool, tools, trade, transporter, tube, wallpaper, water, work,