Proses distilasi juga dapat menghilangkan kotoran dan bahan-bahan yang tidak diinginkan secara efektif, sehingga produk akhir memenuhi standar kualitas yang ketat. So we have mined bauxite, made alumina from it and stockpiled cryolite, and now almost everything is ready for the last stage: electrolytic reduction to make aluminium. The reduction https://anatols754sal5.59bloggers.com/profile