Ключевые слова: arc, automated, automation, automotive, clamping, close up, cnc, computer, connection, connector, engineer, factory, fixation, gas, handyman, heating, industrial, industry, install, installer, insulation, line, machine, machinery, manufacture, manufacturing, mechanic, metal, modern, operator, pipe, pipeline, piping, plant, plumbing, production, ring, seam, smelt, steel, tack, technology, tube, weld, welding, work, worker, workplace, workshop,