Pozzolana and bauxite ore.
Raw bauxite.
Aluminium.
Calcined bauxite and calcined alumina oxide powder.
Coltan ore.
Manganese ore, chrome ore, sponge iron.
Coltan.
Bauxite.
Coltan ore.
Bauxite.
Iron Ore and Copper Ore Or Concentrates.
Coltan tantalite ore..
Bauxite Ore.
Coltan.
Tantalite.
Ferro alloys, coke, recarburize, other carbon products, graphite electrodes, fluorspar.
Bauxite.
Tantalite ore.
Gibbsite Type Of Bauxite.
Tantalite Or Coltan.