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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electronic control systems for extruder equipment consisting of monochrome crt screens, color screens, keypad interfaces, touch screen interfaces, equipment generated light beams, joysticks, thumb wheel interfaces, programmable logic controller (plc) systems for logic coordination and control, computers for data acquisition, for reporting historical trending and related data manipulation, software for physical process and machine depiction and generating related graphs, cable and communication interface hardware, and components for temperature, speed, speed coordination, pressure monitoring and alarm, start up sequencing, shut down, and safety interlocking feedback control