Ключевые слова: assembly, background, blowlamp, blowtorch, brass, brazing, burner, communication, copper, engineer, engineering, equipment, factory, fitter, fitting, gas, hand, holding, industry, instrument, lamp, locksmith, man, manufacturing, measurement, metal, metalwork, mounting, person, pipe, pipeline, pipework, piping, plumbing, soldering, table, technician, tool, torch, tube, tubing, unit, water, welding, work, workbench, worker, working, workspace,