9 SCIENTIFIC, ELECTRIC, ELECTRONIC, OPTICAL, WEIGHING, MEASURING, SIGNALING, CHECKING AND TEACHING APPARATUS AND INSTRUMENTS, NAMELY, APPARATUS FOR RECORDING, TRANSMISSION OR REPRODUCTION OF SOUND OR IMAGES; TALKING METERS AND DETECTORS, NAMELY, MULTIMETERS, TEMPERATURE METERS, DISTANCE MEASURING DEVICES; BLANK MAGNETIC DATA CARRIERS, BLANK RECORDING DISCS AND TAPE; PRE-RECORDED MAGNETIC DATA CARRIERS FEATURING INFORMATION ON SCIENTIFIC AND INDUSTRIAL APPARATUS; PRE-RECORDED COMPUTER DISCS FEATURING INFORMATION ON SCIENTIFIC AND INDUSTRIAL APPARATUS; DATA PROCESSORS AND COMPUTERS; CONTROL APPARATUS AND INSTRUMENTS, NAMELY, TIMERS, BAROMETERS, THERMOMETERS, COUNTERS USED TO REGISTER THE NUMBER OF ACTIVITIES OF MOVEMENT, CHECKERS USED TO CHECK FOR LEAKS, SCANNERS, VOLTAGE AND CURRENT MANAGEMENT DEVICES, NAMELY, REGULATORS, STABILIZERS AND SUPPRESSORS; APPARATUS AND INSTRUMENTS FOR MEASURING, NAMELY, THERMOMETERS, TIMERS, PRESSURE GAUGES, SPHIGNOMOMETERS, BAROMETERS, STRAIN GAUGES, WEIGH SCALES, LOAD CELLS, THERMOCOUPLES, RESISTANCE TEMPERATURE DEVICES; OPTICAL, THERMAL, CHEMICAL, WEIGHTING, SIGNALLING, CHECKING, TALKING, TEACHING APPARATUS AND INSTRUMENTS, NAMELY, OPTICAL MIRRORS FOR SCIENTIFIC AND TECHNICAL USE, PRISMS, OPTICAL LENSES, LOAD CELLS, TELESCOPES, BINOCULARS, THERMOMETERS, THERMOCOUPLES, RESISTANCE TEMPERATURE DEVICE CALIBRATORS, PSYCHROMETERS, ANEMOMETERS, GONIOMETERS, AMMETERS, VOLTAMETERS,VOICE ACTUATED AND VOICE REPORTING INDUSTRIAL MEASUREMENT DEVICES IN THE NATURE OF TIMERS, THERMOMETERS, TRANSLATORS INTO SELECTED LANGUAGES, MICROPHONES AND AUDIO SPEAKERS, LASER BEAM SPLITTERS, TACHOMETERS, BAROMETERS, DIALERS, FLOWMETERS AND HYGROMETERS; APPARATUS FOR MEASUREMENT OR CONTROL OF INDUSTRIAL OR SCIENTIFIC PROCESS OR ELECTRICAL PARAMETERS, NAMELY, THEROMETERS, HYGROMETERS, LOAD CELLS, TIMERS, pH METERS, THERMOCOUPLES, RESISTANCE TEMPERATURE DEVICE CALIBRATORS, PRESSURE AND STRAIN GAUGES; APPARATUS FOR METERING, GAUGING, COUNTING, CALIBRATING, DETECTING, IDENTIFYING, INDICATING, SIGNAL CONDITIONING, ANALYZING, DISPLAYING, TESTING, DATA LOGGING, SENSING AND CONTROLLING VARIABLE CHEMICAL AND PHYSICAL PARAMETERS, SUCH AS TEMPERATURE, ACIDITY, CONCENTRATION, HUMIDITY, PRESSURE, STRAIN, TILT, LIQUID LEVEL, VIBRATION, ELECTRICAL RESISTANCE, AIR VELOCITY, AMPERAGE FREQUENCY, VOLTAGE, ION CONCENTRATION, CONDUCTIVITY, DATA ACQUISITION, DISPLAY AND RETRIEVAL AND ENVIRONMENTAL TECHNOLOGY, NAMELY, RADIOMETERS, PSYCHROMETERS, GONIOMETERS, MULTIMETERS, SIGNAL CONDITIONERS, DATA LOGGERS, VIDEO DISPLAY MONITORS, LCD PANELS, ANEMOMETERS, STRAIN GAUGES, pH METERS, BAROMETERS, WIND GAUGES, THERMOCOUPLES, PANEL METERS; ELECTRIC POWERED SOLDERING IRONS, PLUG ADAPTERS, ANTI-INTRUSION ALARMS, AMMETERS, AMPLIFIERS, LIQUID AND RESIDUAL GAS ANALYZERS, ANNEMOMETERS; BAROMETERS, INSULATED COPPER ELECTRICAL WIRE, INSULATED ELECTRICAL CONNECTORS, MINERAL INSULATED ELECTRIC CABLES, BATTERIES, BATTERY CHARGERS; ELECTRIC CABLE, CALIBRATORS, ELECTRICAL CONDUCTIVITY CELLS; GRADUATION CHECKERS; ELECTRICAL COMPENSATOR FOR TEST AND CONTROL DEVICES; POWER LINE SIGNAL CONDITIONERS, CABLE CONNECTORS, ELECTRICAL CONTROLLERS; CONVERTERS; GEIGER COUNTERS; DATA LOGGERS FOR MEASUREMENTS OF VARIABLE PARAMETERS; DETECTORS, NAMELY, ELECTRONIC MOTION DETECTORS AND FILLING LEVEL DETECTORS; AUTOMATIC DIALLERS; AUTOMATIC TELEPHONE DIALLERS; DIODES, ELECTRODES; ELECTRICAL POWER SUPPLIES; FEEDTHROUGHS, NAMELY, ELECTRIC CURRENT DIVERTERS; FLOWMETERS; LEVEL GAUGES; PRESSURE GAUGES; HYGROMETERS; ICE POINT REFERENCES, NAMELY, TEMPERATURE CONTROL INSTRUMENTS; LASER POINTERS AND LUMINOUS POINTERS; INTERFACES FOR DETECTORS; COMPUTER INTERFACE BOARDS; GRAPHICAL USER INTERFACE SOFTWARE; ISOLATORS FOR THERMAL AND ELECTRICAL FLOW; JUNCTION BOXES; LASERS, NOT FOR MEDICAL USE; LIQUID CRYSTAL DISPLAY LABELS; DATA LOGGERS FOR TEMPERATURE, PRESSURE, STRAIN, FORCE, ENVIRONMENTAL PARAMETERS, ACIDITY, SPEED, FLOW, FREQUENCY, DISTANCE VARIATION; ELECTRIC METERS; AUDIO MIXERS; INTEGRATED CIRCUIT MODULES; COMPUTER MONITORS; MULTIMETERS; DIGITAL PANEL METERS; TEMPERATURE INDICATING PELLETS, NAMELY, INDICATORS OF CHANGE OF TEMPERATURE BY CHANGE OF APPEARANCE; PLOTTERS; ELECTRIC PLUGS; PROBES FOR TESTING INTEGRATED CIRCUITS; PROFILERS FOR TEMPERATURE DISPLAY PSYCHROMETERS; PYROMETERS; CENTRIFUGAL METERING PUMPS; CONTROLLED VOLUME PUMPS; HIGH PRESSURE PUMPS FOR PROPORTIONING AND TESTING PURPOSES; ELECTRONIC RECEIVERS FOR RADIO FREQUENCY SIGNALS; PRESSURE RECORDERS; VOLTAGE REGULATORS; ELECTRIC RELAYS; ROTAMETERS FOR MOTORS; SCANNERS; ELECTRIC AND ELECTRONIC SENSORS FOR VARIABLE PHYSICAL AND CHEMICAL PARAMETERS; TEMPERATURE SIMULATORS, NAMELY, ENVIRONMENTAL TEST CHAMBERS; SNUBBERS FOR LOCKING MECHANICAL CONTROLS; ELECTRIC SOCKETS; STANDARDS FOR PHYSICAL, CHEMICAL AND ENVIRONMENTAL TESTING, NAMELY, BENCHTOP PRESSURE STANDARDS, HANDHELD PRESSURE STANDARDS, MELTING POINT STANDARDS; STIRRERS FOR LIQUID MIXTURES; ELECTRICAL SWITCHES; TACHOMETERS; THERMOPILE MEASURING APPARATUS; ELECTRIC TEST PLUGS; ELECTRONIC TRANSMITTERS FOR RADIO FREQUENCY SIGNALS; AUTOMATIC VALVES; ELECTRIC VALVE ACTUATORS; PRESSURE RELIEF VALVES; VOLTAMETERS; ELECTRIC WIRE; WEATHER STATIONS FOR ENVIRONMENTAL TESTING AND SURVEY; COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR ELECTRONIC INSTRUMENTATION; MODEMS; COMPUTER INTERFACE BOARDS AND PRINTERS; ELECTRONIC CIRCULAR CHART RECORDERS FOR VARIABLE PHYSICAL AND CHEMICAL PARAMETERS; INFRARED SENSORS FOR TEMPERATURE DETECTION; OPTICAL LENSES; VIBRATION MANAGEMENT PRODUCTS, NAMELY, ELECTRIC AND/OR ELECTRONIC DAMPER ACTUATORS; OPTICAL BEAM SPLITTERS FOR TEST APPARATUS; OPTICAL CABLES AND FIBERS; ELECTRONIC POSITIONERS FOR TEST AND MANUFACTURING CONTROL; ELECTRONIC SET POINT CONTROLLERS FOR TEMPERATURE; LABORATORY EQUIPMENT, NAMELY, ELECTRIC BATH HEATERS; RADIO FREQUENCY IDENTIFICATION AND CONTROL APPARATUS AND INSTRUMENTS, NAMELY, CARDS, TAGS AND READERS FOR RADIO FREQUENCY IDENTIFICATION CREDENTIALS; ALL OF THE ABOVE FOR USE ONLY IN SCIENCE AND INDUSTRY