Ключевые слова: arc, argon, close, closeup, connect, construct, construction, detail, disc, electric, electrode, engineering, factory, hots, industrial, industry, inspection, iron, line, material, metal, metal welding, metallic, metalwork, pipe, pipes, production, repair, seam, security, skill, spark, steel, structure, technology, tool, weld, welded, welder, welding, welding seam, welds, work,