hello again

as you know , there many types of metals.

we can classify them in to the following types

   -ferrous metals that contain iron


       -pure iron
       - steel
       -cast iron

- non ferrous metals : metals that don´t contain iron

    -light and ultra light metals
        -aluminium
        -titanium
   - heavy metals
       -lead
       -tin
       -zinc
       -copper
       - bronce (copper +tin)
       -brass(copper+zinc)

thank for reading my blog

bye.