Ya dace da ƙarfe na ƙarfe, ƙarfe mara ƙarfe, IC flakes, sutura, karafa masu lanƙwasa;gilashin, yumbu, onyx, gemstones, flakes na filastik, da dai sauransu;Gwajin taurin, misali don zurfin da gradient na carbonized da quenched taurare yadudduka.
