instruments and controls used in the manufacturing process industries for gaging, detecting, indicating, measuring, recording and controlling process variables and conditions; and computers and computer programs for the acquisition, storage, display, monitoring, alarming, control, supervision, analysis and transmission of data signals primarily utilized in connection with such process instruments and controls, and digital communications apparatus, namely, process transmitters, process controllers and control systems comprised of transmitters and controllers; gages, namely, pressure gages, temperature gages, flow and level transmitter gages, instruments and controls used in the production and inspection of manufactured parts for measuring, comparing, selecting and sorting on the basis of physical dimensions, namely, size, shape, and spatial relationship, said instruments and controls employing, as the predominant component(s) thereof, gaging comparators utilizing fluid flow and pressure, electrical, and electro-optical sensors; automatic and semi-automatic material-handling systems, namely, post process, manual, semi-automatic and automatic dimensional gages associated with such instruments and controls; and computers and computer programs for the acquisition, storage, display, monitoring, alarming, control, supervision, analysis and transmission of data signals primarily utilized in connection with such gages, instruments and controls