Ключевые слова: brass, collet, conduit, connection, construction, culverts, distribution, drain, energy, engineering, equipment, faucet, fitting, fixture, gas, handle, industrial, industry, installation, iron, mechanical, metal, part, pipe, pipeline, piping, plumber, plumbing, pump, regulate, repair, running, sanitary, sewerage, spigot, steel, stopcock, supply, system, tap, tool, transmission, tubes, tubing, valve, water, wrench,