41 Microfabrication, traditional machining, and prototyping services for others, namely, LIGA or lithography, electroplating and molding, x-ray lithography, u/v lithography, x-ray mask fabrication, electroplating, injection molding, hot-embossing, machining parts for others, molding of polymers, glass, metals, and ceramics; microfabrication and prototyping services for others, namely, microfabrication and prototyping of heat exchangers, regenerators, microjet cooling arrays, mechanical seals, fuel cell reformers, catalytic converters, recuperators, and other mechanical devices developed for military/defense applications