Ключевые слова: arc, automation, building, butt, clamp, compact, construction, craftsman, cutter, electric, electroarch, electrode, enterprise, entrepreneur, factory, fire, fixation, flame, flash, gas, heating, hydraulics, industrial, industry, iron, job, laborer, laboring, light, machine, manufacture, mechanical, metal, milling, mobile, overalls, pipe, pipeline, plasma, polyethylene, protection, skilled, spark, steel, tube, weld, welding, work, worker, working,