... and burnt fragile copper wire. BarleyBerryNo. 2 Copper Wire No. 2 Copper Wire without alloy of Copper scrap line, contain sundries, Copper content is ... lead is changed and tin mineralization of copper wire, welding wire, brass and bronze line, excessive oil, iron and steel ... scrap and nonmetallic, crisp burnt line, do edge sex copper wire and excessive fine silk. Need appropriate means ...