Ciidda dhoobada ah ee heshay fiiro gaar ah sannadihii la soo dhaafay waa kuul oxide zirconium (ka kooban: ZrO₂ 56% -70%, SIO₂23% -25%), kuwaas oo ah spherical, dusha siman oo aan waxyeello workpiece ah, adkaanta sare, barti wanaagsan iyo multi- xagal dib ugu laabashada badarka cammuudda inta lagu guda jiro qaraxa ciidda, taas oo...
Akhri wax dheeraad ah