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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.
multiple-condition monitoring and alarm systems for marine vessels-namely, for monitoring one or more of the following operating and safety conditions: engine oil and reduction gear fluid levels, pressures and temperatures, engine coolant temperature, engine air pressure (for diesel engines), engine exhaust temperature and pressure, compressor pressure and temperature, ice making machine differential pressure between refrigerant and lubricant, bow thruster operation, refrigeration system condenser pump oil pressure and temperature, and refrigerant flow rate, fuel supply level, water supply level, brine flow rate for fish wells, bilge water level, and fire alarm conditions, and for indicating on a display panel and for producing appropriate visible and audible alarms in response to such monitoring