ELECTRONIC AND ELECTRICAL EQUIPMENT AND APPARATUS COMPONENTS AND MATERIALS-NAMELY, RESISTORS, RESISTANCE ELEMENTS, CAPACITORS, SWITCHES, MAGNETS, CORES, ELECTRODES, BRUSHES, CONTACTS, TROLLEY AND PANTOGRAPH SHOES, VOLTAGE REGULATOR DISCS, PILES, HEATING ELEMENTS, BRAZING TIPS, WELDING CARBONS, AND OTHER CARBON,GRAPHITE, AND METALLIC POWDER SPECIALTIES