CONVERSION,REFINING AND CASTING IN ATLANTIC COPPER

From matte to sulfuric acid and copper anode.

[@user-pi4nl1oo2f]

Wow good materi, THANKS

[@adindadx]

thankyou! i and my friend so greatfull. very nice information

[@oktaviankhayyan3909]

easy for learning, thank you

[@nafirakartika8564]

thanks, very useful