21 [TRANSISTORS AND CIRCUIT ASSEMBLIES, BATTERIES, CATHODE TUBES,] PRINTED CIRCUIT BASES, [CHIP CARRIER ASSEMBLIES AND PACKAGES, ELECTRIC FITTINGS-NAMELY, CONNECTORS AND TERMINALS,] CERAMICS FOR ELECTRICALLY INSULATORY PURPOSES, [BATTERY PARTS, INSULATING CONNECTORS, RADIO TUBE PARTS, AND RESISTOR PARTS]