Metals, namely, common metal powders, metal discs for sputtering targets and for solid state disk drives, ingots of common metal, metal plates for chemical and industrial pipes and tankage, metal rings for military, aerospace, and chemical industry corrosion and temperature-resistant seals, sheet metal of common metals, metal binding strips used on packaging, metal capacitor wires, metal wires for use in the manufacture of medical devices, metal wire for medical staples, and metal brazing rods; tantalum powders; tantalum flake powders; tantalum angular powders; tantalum nodular powders; capacitor grade common metal powders; tantalum wrought products, namely, tantalum wrought discs, tantalum wrought ingots, tantalum wrought plates, tantalum wrought rings, tantalum wrought sheets, tantalum wrought strips, and tantalum wrought wires; tantalum alloy wrought rods; tantalum alloy wrought sheets; tantalum tungsten alloy wrought rods; tantalum tungsten alloy wrought sheets; potassium tantalum fluoride powders; niobium wrought products, namely, niobium wrought ingots, niobium wrought plates, niobium wrought rings, niobium wrought sheets, and niobium wrought strips; niobium zirconium alloy wrought strips; niobium zirconium alloy wrought rings.