Ключевые слова: assembly, background, bench, bend, bender, bending, brass, channel, communication, copper, detail, engineer, engineering, equipment, factory, fitter, fitting, hand, holding, hose, industry, instrument, line, locksmith, man, manufacturing, measurement, metal, metalwork, montage, mounting, person, pipe, pipeline, pipework, piping, plant, plumbing, table, technician, tool, tube, tubing, unit, water, work, workbench, worker, working, workspace,