Manufactures thermal & electrolytic electrodes Nickel Ni, Niobium Nb, Nobelium No, Osmium Os, Palladium Pd, Platinum Pt, Plutonium Pu, Protactinium Pa, Rhenium Re, Rhodium Rh, Ruthenium Ru, Silver Ag, Tantalum Ta, Technetium Te, Thallium Tl, Thorium Th, Tin Sn