ʻO Yttrium (yttrium oxide, Y2O3) hoʻokūpaʻa i ka zirconia (zirconium dioxide, ZrO2) wili media he kiʻekiʻe kiʻekiʻe, ʻoi aku ka paʻakikī a me ka ʻoi aku ka maikaʻi o ka haki ʻana, e hiki ai ke hoʻokō i nā ʻoi aku ka maikaʻi o ka wili ʻana i hoʻohālikelike ʻia me nā mea ʻē aʻe conventioanl haʻahaʻa haʻahaʻa haʻahaʻa.ʻO Yttrium Stabilized Zirconia (YSZ) Grinding BeadsʻO Media me ka nui kiʻekiʻe kiʻekiʻe a me ka liʻiliʻi liʻiliʻi o ka nui o ka palaoa no ka hoʻohana ʻana i ka semiconductor, wili media, etc.