Yttrium(yttrium oxide,Y2O3) stabilized zirconia(zirconium dioxide,ZrO2) media grinding ba le high density, super hardnes le babatsehang fracture toughness, e leng se nolofalletsang ho finyella litsebo tse phahameng tsa ho sila ha li bapisoa le tse ling tsa conventioanl low density media.UrbanMines e sebetsa ka ho khetheha ho hlahiseng.Yttrium E Tsitsitseng Zirconia (YSZ) Ho Sila LifahaMecha ea litaba e nang le sekhahla se phahameng ka ho fetisisa se ka khonehang le boholo bo fokolang ka ho fetesisa bo ka sebelisoang ho semiconductor, media oa ho sila, jj.