Ключевые слова: box, brass, building, concrete, connection, construction, coupler, coupling, cutout, elbow, female, fitting, gas, gate, gold, golden, head, hydraulic, induction, installation, join, laundress, male, material, metal, muff, nipple, nut, pipe, plant, plectrum, plumber, reduction, repair, rig, role, scale, shedding, sleeve, tears, thread, tools, tube, union, valve, walnut, water,