Rare, Strategic And Critical Metals :
Tungsten, Certain Rare Earths (praseodymium, Neodymium And Dysprosium), Cobalt, Copper, Chromium, Nickel, Molybdenum, Titanium, Lithium, Tantalum, Beryllium And Certain Platinoids (platinum, Palladium And Rhodium) ..
