
Tin, Titanium, Zinc and Zirconium.

Arsenic, Barium, Beryllium, Caesium and Germanium.

Potassium, Ruthenium, Thallium and Tungsten.

All 50

Aluminium, Calcium, Cinnabar (Mercury), Lead and Magnesium

Lithium, Rubidium, Scandium and Strontium.

Antimony, Bismuth, Cadmium, Chromium and Cobalt.

All 50

Rhodium, Selenium, Technetium and Tellurium

Copper, Gold, Iron, Coal and Charcoal.

Raw Materials

Tantalum, Vanadium and Yttrium.

Nickel, Osmium, Platinum, Silicon, Silver and Sodium.

Aluminium

Gallium, Iridium, Manganese, Molybdenum and Palladium.

Hafnium, Indium, Niobium, Phosphorus and Rhenium

All 50

