[ AUTOMOBILE HEADLIGHT ADJUSTMENT TESTERS; VEHICLE WHEEL ALIGNMENT TESTERS; WHEEL BALANCERS; AUTOMOTIVE WHEEL ALIGNMENT AND BRAKE TESTING GAUGES; STEERING WHEEL TURNERS FOR CHANGING THE ANGULARITY OF DIRIGIBLE AUTOMOBILE WHEELS DURING WHEEL ALIGNING OPERATIONS; ] ARTICLE DETECTORS FOR MATERIAL HANDLING AND PROCESSING MACHINES; ELECTRONIC, ELECTRIC, ELECTRO-MECHANICAL AND ELECTRO-HYDRAULIC CONTROLS FOR MATERIAL HANDLING AND PROCESSING MACHINES; SOLENOIDS; ELECTRIC SWITCHES; WEIGHING MACHINES; PEA TENDERNESS MEASURING MACHINES; NUMERICAL COUNTERS; FILLING CONTROLS FOR CONTAINER FILLING MACHINES; ELECTRIC CURRENT RECTIFIER COMPONENTS AND ASSEMBLIES; ELECTRONIC TEST INSTRUMENTATION COMPRISING ORDER SIGNAL GENERATORS, LIMITERS AND DEMODULATORS; DIGITAL-TO-ANALOG CONVERTERS; PROXIMITY SWITCHES; [ FIRE FIGHTING AND EXTINGUISHING APPARATUS; FIRE ENGINES; MOTOR FIRE ENGINES; FIRE HOSE NOZZLES; EGG BLOOD SPOT DETECTORS; TIMERS; COMBUSTION ENGINE IGNITION AND EXHAUST ANALYZERS; ] FLOW CONTROLS USED IN THE DRILLING, COMPLETION AND PRODUCTION OF OIL AND GAS WELLS; MANNED DEEP DIVING AND SUBMERGENCE SYSTEMS; ELECTRONIC APPARATUS FOR READING CODE MARKINGS; DYNAMOMETERS; FLUID MEASURING DEVICES FOR CONTAINER FILLING OPERATIONS