Advertising services; commercialization for the benefit of others of metal structures for building construction, metal structures for building construction, metal structures for sound absorption of buildings, transportable metal structures, towers (metal structures), metal structures for industrial plants, metal mooring piles (stakes), metal tunnels, metal railway crossings, metal liquid storage tanks, steel pipes/steel tubes, metal pipes/metal tubes, metal gas pipes, metal gas pipe parts, metal structures for steel tanks, metal structures of helicoidal pipes for wind towers, piping for pipelines for the conduction of hydrocarbons (except their transportation) for consumers to examine and purchase at their convenience; these services may be provided at wholesale, retail, in store, by catalog, online and/or virtual worlds or environments