Ключевые слова: agriculture, cap, conduit, connection, connector, construction, control, coupling, cover, device, duct, elbow, electric, engineering, equipment, faucet, fitting, flexible, galvanized, hose, industrial, industry, instrument, irrigation, joint, maintenance, material, metal, metallic, nipple, object, part, pipe, pipeline, plug, plumber, plumbing, product, protect, reduce, sanitary, sewer, socket, steel, thread, tool, tube, union, waterway, way,