We need to buy Ilmenite (TiO2 more than 48%), Rutile
(TiO2 more than 60%),
Zircon Sands and Ores, ZrO2 more than 35%
Iron ore (Magnetite), TFe more than 48%, FeO more
than 15%
copper ore, Cu more than 10%
nickel ore, Ni more than 5%
cobalt ore, Co more than 5%
tin ore (cassiterite), Sn ..