Decree No. 4,445, by means of which is declared as strategic for development of the national economy, the waste and metallic residue, ferrous, aluminum, copper, iron, bronze, steel, nickel or other metal scrap, junk heap (bangers) that are naval, aerospace, electrical and electronical parts, in any condition, as well as nonmetallic solid waste, optical fiber and secondary fiber, product of the recycling of paper and cardboard, in any condition, which for the purposes of this Decree, they will be called as a whole "strategic material susceptible to recycling ”.