Yttrium(yttrium oxide,Y2O3) stabilized zirconia(zirconium dioxide,ZrO2) media grinding e na le sesupo se phahameng, super hardnes le fracture toughness e ntle haholo, e nolofalletsang ho fihlela ts'ebetso e phahameng ea ho sila ha e bapisoa le media e meng ea conventioanl low density media.UrbanMines e sebetsa ka ho khetheha ho hlahisengYttrium E Tsitsitseng Zirconia (YSZ) Ho Sila LifahaMecha ea litaba e nang le boima bo phahameng ka ho fetisisa bo ka khonehang le boholo bo fokolang ka ho fetisisa ba lijo-thollo bo ka sebelisoang ho semiconductor, mecha ea litaba ea ho sila, joalo-joalo.