Ключевые слова: arc, background, bond, burns, close, closeup, confident, connect, connection, construction, craft, craftsman, detail, electro, fresh, gate, grid, industry, insurance, iron, joint, line, material, metal, new, online, pattern, pipe, pipeline, positions, rofile, rust, seam, security, sheets, solder, splice, spot welding, steel, surface, technology, texture, together, tube, up, weld, welded, welder, welding, work,