Ключевые слова: assembly, brushed, closeup, connection, construction, factory, industrial, industry, inox, manufacture, manufacturing, metal, metal joining, metal line, metallic, metalwork, oxide, part, pipe, pipeline, pipes, piping, produce, production, repair, seam, shiny, stainless, stainless steel, steel, steel industry, steel welding, surface oxidation, system, technology, tube, weld, welded, welder, welding, welding connection, weldon,