Giraanta iyo jidhka duubista ee xadhkaha dhoobada ayaa laga sameeyay dhammaan walxaha dhoobada ah, oo ay ku jiraan zirconia (ZrO2), silicon nitride (Si3N4) iyo silicon carbide (Sic). Kayduhu wuxuu ka samaysan yahay polytetrafluoroethylene, naylon 66, polyetherimide, zirconia, silicon nitride, bir aan lahayn ama aluminium duuliye gaar ah, sidaas darteed waxay ballaarinaysaa dusha sare ee codsiga dhoobada dhoobada.