PLANT MANAGEMENT AND INDUSTRIAL INSTRUMENTATION, NAMELY COMPUTERS FOR PROCESS CONTROL, MINICOMPUTERS FOR PRODUCTION AND GENERAL APPLICATIONS, MANUFACTURING LINE CONTROL APPARATUS, PROCESS CONTROL APPARATUS, ELECTRONIC CONTROLS, PACKAGED CONTROL APPARATUS, PNEUMATIC CONTROL APPARATUS, DEDICATED CONTROL APPARATUS, REMOTE MONITORING CONTROLS, NAMELY SENSORS, CONVERTERS, TRANSMITTERS, ELECTRONIC DATA TRANSMITTERS, ELECTRONIC DIFFERENTIAL PRESSURE TRANSMITTERS, PNEUMATIC DIFFERENTIAL PRESSURE TRANSMITTERS, VORTEX FLOWMETERS, MAGNETIC FLOWMETERS, THERMOCOUPLES, RESISTANCE TEMPERATURE SENSORS; MEASURING INSTRUMENTS, NAMELY MICROPROCESSOR-PRODUCT SUPPORT APPARATUS, RECORDERS AND OSCILLOGRAPHS, WAVEFORM MEASURING AND RECORDING INSTRUMENTS, NAMELY DIGITAL MULTIMETERS, POWER MEASURING METERS, VOLTAGE/CURRENT METERS, TEMPERATURE AND PRESSURE MEASURING METERS, DATA ACQUISITION UNITS, FIELD TESTING METERS, PORTABLE METERS, PANEL AND SWITCHBOARD UNITS, PRECISION MEASURING METERS AND MAGNETIC MATERIAL TESTING APPARATUS; ANALYTICAL INSTRUMENTS, NAMELY, PROCESS PH METERS, POCKET PH METERS, PROCESS TURBIDOMETERS, RESIDUAL SALINOMETERS, ALKALINITY METERS, OXYGEN CONTENT METERS, PROCESS GAS CHROMATOGRAPHS, INFRARED GAS ANALYZERS, ZIRCONIA OXYGEN CONCENTRATION METERS, CONCENTRATION METERS FOR SO2 IN STACK GASES, CONCENTRATION METERS FOR HYDROCARBONS AND CARBON MONOXIDE IN AUTOMOBILE EXHAUSTS, GAMMA-RAY DENSITOMETERS, SULFUR-IN-OIL ANALYZERS, BETA RAY THICKNESS GAUGES, COMPUTERS FOR WEIGHT AND MOISTURE CONTROL IN PAPER AND PAINTMAKING, ION PLASMA ANALYZERS, ATOMIC ABSORPTION SPECTROPHOTOMETERS, ELECTROLYTE MULTIANALYZERS, AUTOMATIC CENTRIFUGAL ANALYSIS APPARATUS FOR MINUTE QUANTITIES, IMPURITIES MONITORS FOR BEER AND OTHER CARBONATED BEVERAGES, ION-CHROMATOGRAPHIC ANALYZERS; MARINE INSTRUMENTATION, NAMELY, SATELLITE NAVIGATION APPARATUS, GYROCOMPASSES, AUTOPILOTS, ELECTROMAGNETIC DATA RECORDERS, INTEGRATED NAVIGATION COMPUTERS, BRIDGE CONTROLLERS FOR MAIN ENGINES, SAFETY MEASUREMENT MONITORS AND SAFETY CONTROL APPARATUS FOR LNG/LPG TANKERS; AERONAUTICAL INSTRUMENTS, NAMELY, AIR INLET CONTROLLERS, AUTOMATIC PILOT INSTRUMENTS, TEMPERATURE CONTROLLERS, ALTITUDE/DIRECTION INDICATOR, FLIGHT CONTROL AMPLIFIER, FUEL GAUGES, FLOWMETERS, THERMOMETERS, REVOLUTON INDICATORS, TORQUE METERS, PRESSURE METERS, POSITION INDICATORS, SENSORS, TEST METERS; COMPUTER AIDED DESIGN AND MANUFACTURING SYSTEMS COMPRISING COMPUTERS, DISPLAYS, PRINTERS FOR PRINTED CIRCUIT BOARDS AND THEIR DESIGN; ELECTRONIC OFFICE EQUIPMENT, NAMELY, PORTABLE GRAPHIC PROCESSORS, GRAPHIC PROCESSORS AND DISPLAY, JAPANESE-LANGUAGE WORD PROCESSORS, WORD PROCESSOR-BASED AUTOMATIC TYPESETTING UNIT, X-Y PLOTTERS, RECORDERS, PRINTERS