1)Chimiro chemukati. Aluminium yemukati ndeimwe yemisiyano yakakosha pakati pewhite, brown and black aluminium oxide White Aluminium Oxide ine zvinopfuura 99% aruminiyamu. Black Aluminium Oxide ine 45-75% aluminium. Brown Aluminium Oxide ine 75-94% aluminium. 2) Kuoma. White Aluminium Oxide...