• Black metal rolling, these are ferrous metals, and as you know, we have ferngs and steel of ferrous metals
• non -ferrous metal, here is used on the contrary, non -ferrous metals, and this is copper, tin, brass and other metals, you can’t list all, and also why do this if you are impatient to find out all non -ferrous metals, then look for on the Internet, because The article is not about this today.
