ferrous boron, rare earth, solder iron, ferromanganese, ferro-vanadium, molybdenum-iron, ferroustungsten, ferrosilicon grain, rare-earth magnesium; rare-earth magnesium, silicon iron, molybdenum-iron;.; ferroustungsten, ferro-vanadium, nickel plates; chromium nitride, medium carbon manganese, high manganese, electrolytic manganese metal,; silicon-manganese, silicon-aluminium, silicon-calcium.; fer