Prefabricated buildings and structures and their parts and fittings, which can be dismantled for transportation, namely, pergolas of metal, cabanas of metal, gazebos of metal, metal storage sheds, walls of metal; pre-fabricated metal building assembly kits and their parts and fittings, kits and their parts and fittings for building metal storage sheds, pergolas of metal, cabanas of metal, gazebos of metal; pergolas of metal and their parts and fittings, cabanas of metal and their parts and fi...