1.Ifanele i-PCD yokugaya, i-PCBN, i-MCD, Amathuluzi Edayimane Emvelo
2.Igrit yedayimane etholakalayo kusukela ku-60microns rough grits kuya ku-1microns
3.Itholakala kusukela ekugayeni okumahhadlavu kuya ekupholishweni kokugcina kwendawo.
4.Kulinganiswe kahle ukugcina ukubekezelelana okuhle kakhulu kwamathuluzi akho