8
Non-graduated ceramic hand tools for machine set-up and calibration, namely master squares, master angles, surface plates, parallels, straight edges and deburring plates; mortars and pestles
9
Ceramic components for semiconductors, resistors, capacitors, hybrid electronic circuits and sensors, namely semiconductor chip packages, semiconductor modules, substrates for semiconductor chips and circuits, interconnect boards, power dissipation packages, pad array carriers, sensor packages, chip scale packages; crystal carriers; ceramic electron tube components, namely vacuum interrupters, power grid tubes, high power receptacles, insulator rings and cylinders, headers and insulating discs, feed-through insulators, traveling wave tubes, power switches, x-ray tubes; ceramic components for computer peripherals, namely magnetic tape drives, cleaner blades, wear discs and insulators; ceramic laser components, namely pump chambers, feedthroughs, insulators, laser wave guides and ion laser tubes; ceramic and/or plastic components for semiconductor processing equipemnt, namely cmp wafer holders, plasma etch rings, and semiconductor chip trays; ceramic plates for body armor, namely bullet-proof vests and other clothing, helmets; ceramic scientific labware namely crucibles, boats, cups and dishes; fiber optic connectors, tubes and rods; ceramic thermocouple tubes
37
Pulp and paper machinery maintenance and repair; maintenance, repair and installation of machinery and parts thereof
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