Umkhakha we-alumina ongaphandle
Izitini ze-Alumina lollow zinezici ezinjengokumelana nokushisa okuphezulu, ukuminyana okuphansi, amandla okushisa aphansi, ukuqhutshwa okushisayo okuphansi, nokufakwa okuqinile. Zingathuthukisa ukusebenza kahle kokushisa kwezikolo, ukufushanisa imijikelezo yokukhiqiza, ukunciphisa isisindo somlilo, nokunciphisa ukusetshenziswa kwamandla, kubenze izinto ezinhle kakhulu zokuvikela.
Bona okuningi