Over the last 30 years or so, demand for tin, tantalum, tungsten, and gold (the ... Used in alloys, tin plating, and solders for electronic circuits. ... Used in metal wires, electrodes, contacts in lighting, and electronic, electrical and ...
... gallium, germanium, graphite, hafnium, tantalum, tungsten and various rare earths. ... include brass and copper strip items, magnet wires and seals/O-rings. ... In 2017, vendors were unable to secure enough copper alloy ...
Or you could alloy copper with zinc, my mother said, to produce brass. ... because he manufactured light bulbs with filaments of fine tungsten wire. ... old and valued friends—Tantalum, Tungsten, Rhenium, Osmium, Iridium, ...