Red laka ne sharar gida samfurin generated da abin da aka sani a matsayin Bayer Tsari lokacin refining haƙar don samar da alumina (aluminum oxide). Via wani tsarkakewa tsari, alumina iya zama

A ra'ayin na lafiya cin ne haƙĩƙa kome sabon. Daya look at ayyukan Al'ada Rockwell kai mu koma zuwa ranar da iyalai zai tara a kusa da wani format