Scientific apparatus and instruments, namely, aerometers, gas analysis instruments, analysis instruments for air, anemometers, optical aperture meters, balance instruments; anode weighting scales, barometers, light exposure meters, particle accelerators, chromatography instruments for laboratory applications, chronographs for time recording instruments, densimeters, densometers, densitometers, distillation devices for scientific purposes, laboratory apparatus distillation flasks, detectors, microscopy diffraction devices, diopter measuring instruments, dosing equipment, revolution counters, pressure measurement instruments, pressure recorders, dynamometers, electrical discharge tubes for non-illumination purposes, epidiascopes, ergometers, furnaces for laboratory experiments, frequency meters, galvanic elements, galvanic cells, galvanoplastic devices, fermentation devices for laboratory equipment, gasometers, calibration gauges, Bring gauge halometers, high frequency generators, altimeters, hyrometers, hygrometers, ionization equipment not for air conditioning, gauges of measurement instruments, calibration rings, cathodes, laboratory plates, lacto densimeters, lactometers, lasers not for medical applications, photometers, air analyzers, manometers, material testing instruments, acoustical membranes, membranes for scientific apparatus, electrical measurement instruments, pressure measurement instruments, measuring spoons, micrometer screws for optical instruments, microprocessors, microscopes, microtomes, lenses for astrophotography, experimental furnaces for laboratories, oscillographs, ozonizers, photometers, planimeters, polarimeters, dissection implements for microscopy, optics prisms, X-ray equipment, refractometers, refractors, retorts, retort bases, acidimeters, micrometer screw for optical instruments, spectrographs, spectroscopes, optical mirrors, thermoion lamps, thermometers for non-medical purposes, thermostats, bases for retorts, vacuum meters, viscosity meters, voltmeters, lens covers for optical systems; navigational apparatus and instruments, namely, lighted signaling equipment, signal bells, signal lanterns, simulators for steering and control of vehicles; surveying apparatus and instruments, namely, azimuth finders, azimuth instruments, ignition batteries, electrical limiters, electrical surge protectors, rangefinders, distance measurement devices, surveying chains, inclinometers, compasses, surveying rods, measurement rods, surveyor's tables of measurement instruments, metric yardsticks, telescope levels, level instruments, pedometers, level instruments for determining horizontal, theodolites; electrical apparatus and instruments, namely, electrical junction boxes, electrical storage batteries, electrical storage battery circuitry, charging units for electrical storage batteries, plates for electrical storage batteries, battery testers for storage batteries, vehicle electrical storage batteries, storage battery holders, storage battery cases, acoustical couplers, alarms, acoustical alarms, anti-theft alarms, electrical alarm bells, alarm sirens, ampere meters, electrical fixtures, electrical lamps, starter cables for engines, anodes, anode batteries, connection panels for switchboards, connectors for electric lines, electrical connectors, anticathodes, electrical instruments, velocity indicators, electric current loss indicators, electrical equipment for the remote control of industrial processes, radios, elevator controls to control movement and operation of elevators, surveillance instruments, flashers for lighting, lighting rods, fuel pumps with automatic regulation, integrated circuit chips, data processing encoders, computers, recorded computer programs for use in mining of coal, recorded computer software for use in the mining of coal, recorded computer operating systems, namely recorded computer operating systems for use in mining of coal, computer peripherals, computer keyboards, optical data recording media, memories for data processing equipment, data processing units, electrical anti-theft alarms, anti-theft alarm devices, light level control dimmers, diskettes, diskette drivers for computers, computer electrical junction boxes, electrical connection boxes, electrical wires, magnetic wires, wires made of metal alloys for electrical fuses, automatic revolving door turnstiles, choke coils, printers for computers, pressure indicator plugs for valves, automatic pressure loss indicators for vehicle tires, electrodynamic remote control devices for railway switches, welding electrodes, electrical wires, electrical cables, electrical capacitors, electrolyzers, electromagnet coils, electronic display panels, electronic pins for screen devices, electrical contacts for video screens, demagnetizers for magnetic tapes, electrical interference filters, electrical remote ignition devices, fire alarms, spark arresters, galvanization devices, galvanometers, printed circuits, glass with electrically conducting coating, current rectifiers, indicator bells, holder for electrical coils, magnetic identification cards, electrical inductors, interface hardware for computers and software for computers for use in mining of coal, electrical cables, electrical cable conduits, cable identification wires for electrical lines, cable identification sheathes for electrical lines, electricity cable terminals, cable sheaths for electrical lines, magnetic cards, cards with integrated circuits, smart cards, identification wires for electrical cables, identification sheathes for electrical cables, electrical drop boards, optical readers for data processing, electrical terminals, ringer buttons, ringers for alarm systems, electrical capacitors, electrical contacts, electrical contacts made of precious metals, couplers for data processing, fuel level indicators, insulated copper wire, electrical couplings, chargers for electrical storage batteries, optical lamps, thermo ionic lamp, laptop computers, signal lanterns, disk drives for computers, electrical conductors, connectors for electric lines, electric wire or cable lines, acoustical conductor lines, electrical conduits, readers for data processing, OCR readers for data processing, bar code readers, lighted signs, electric arc cutting tools, electric arc welding equipment, light controls, dimmers, elevator controls, electrical soldering equipment, lead solder wire, lead solder, electrical soldering irons, soldering equipment, soldering machines, demagnetization devices for magnetic tapes, magnetic tape units for data processing, magnetic data media, magnetic wires, magnets, magnetic cards, magnetic discs, modems, monitors of computer hardware, monitors for computer programs, connecting sleeves for electrical cables, non-explosive foghorns, notebook computers, ohmmeters, computer peripherals, magnetic disks, disc changers for data processing plotters, radar units, smoke detectors, electrical relays, amplifier tubes or lamps, scanners for data processing, acoustical lines, acoustical equipment, circuitry for loudspeakers, switchboards, switches, switches for circuit breakers, electric switches, integrated circuits, electricity distribution panels, electricity distribution boards, timers not for clocks, printed circuits, lighted signs, electric locks, fuses, electric arc cutting equipment, electrical cabinets; welding electrodes, electrical welding equipment, electric arc welding equipment, electrical welding equipment for plastic packaging, metal alloy wires for electrical fuses, electrical fuses, electrodynamic devices for the remote control of signals, silicon discs for integrated circuits, sirens, computer stored software, probes for scientific purposes, solar batteries, electrical voltage transformers, voltage meters, voltage regulators for vehicles, memory for data processing equipment, intercoms, electric coils, electromagnetic coils, holders for electric coils, punch time clocks, electrical sockets, elevator control systems, electronic pins for display screens, current rectifiers, bus bars for installing track lighting, make contacts, ampere meters, circuit breakers, current loss indicators, current convertors, current inverters, buzzers, electric buzzers, tachometers, lighted signal panels, computer keyboards, temperature indicators, electrical transformers, electronic transistors, electrical door closers, electrical surveillance equipment, audiovisual instructional equipment, vacuum tubes for wireless telegraphy and telephony, connection sleeves for electrical cables, electricity connectors, electric amplifier cabinets, electricity distribution panels, electric current converters, intercom equipment, water meters, electrical resisters, meters, timers, timer switches not for clocks, electricity reducers, central processing units for data processing, electronic display panels, vending machines, facsimile machines, thickness gauges; optical apparatus and instruments, namely, optical readers for data processing, optical magnifying glasses, optical microtomes, eyepieces, optical data media, optical condensers, optical disks for data processing, optical glasses, pyrometers, optical fibers; weighing and measuring apparatus and instruments, namely, temperature indicators, water level indicators; signaling apparatus and instruments, namely, water level indicators; rescue apparatus and instruments, namely, filters for respirator masks, respirator masks with air filters, eye protectors, protective mouthpieces; instructional apparatus and instruments, namely, projectors, audio and video instructional tapes for use in instructing personnel regarding mining of coal, audio and video instructional compact disks for use in instructing personnel regarding mining coal; communications and control devices, namely, telephone answering machines, antennas, illuminated beacons, videophones, housings for loudspeakers, telegraph wires, telephone wires, telegraph devices, telephones, electrodynamic remote control devices for signal, electrodynamic remote control devices for railway switches, communication towers, radiotelephone units, radiotelegraph units, radio antennas, megaphones, microphones, radios for vehicles, telecommunication transmitters, transmitters for electronic signals, telephone receivers, telephone wires, telephone earpieces; photographic, projection, and cinematographic equipment, namely, shutters for photography, flash bulbs for photography, flash units for photography, darkroom lights for photography, darkrooms for photography, special cases for photographic apparatus and instruments, speedometers for photography, film camera, darkroom lamps for photography, projection equipment, projection screens, slide projectors, screens for photography, anti-glare screens, protection screens, film rollers for photography, photographic viewfinders; devices for audio and video recording, transmission, and reproduction, namely, recording devices for recording discharges, films for sound recording, magnetic tapes, video tapes, compact disks for ROM and hard drives, audio and video compact disks, magnetic data media, audio and video receiver units, television cameras, television monitors, speed regulators for disk players, loudspeakers, circuitry for loudspeakers, loudspeaker housings, sound transmission equipment, acoustical amplifiers, sound reproduction equipment, telephone transmission apparatus, audio transmission apparatus, audio amplifiers, amplifier tubes or amplifier lamps, video cameras, audio reproduction equipment; magnetic recording media machines; recording cash registers; calculating machines; mechanical engineering products, namely, mechanical road edge markers, mechanical signs, mechanical signaling equipment, mechanical signal panels; precision engineering products; data processing hardware and computers