Ana amfani da ƙarfe na ƙarfe, ƙarfe mara ƙarfe, takardar IC, shafi, ƙarfe na lamellar;Gilashi, yumbu, agate, gem, takardar filastik, da dai sauransu;Gwajin taurin, kamar gwajin zurfin da gradient na carbonization da taurin yadudduka.
