This material is in the form of spherical ceramic particles having a core of {HEAD ~ a high purity zirconium oxide} treated with {TAIL ~ yttrium} to make the spheres highly wear resistant 
treated with
This material is in the form of spherical ceramic particles having a core of { HEAD ~ a high purity zirconium oxide } treated with { TAIL ~ yttrium } to make the spheres highly wear resistant
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH