9 Electrolysers, namely, electrolytic cells; drawing or drafting machines; fire extinguishers; fire hose nozzles; sprinkler systems for fire protection; fire alarms; gas alarms; anti-theft warning apparatus, namely, [ glass fracture sensor alarm, ] door breaking sensor alarm, intrusion alarm for door, crime prevention buzzer, portable security alarm, siren for alarm, buzzer for alarm, bell for alarm, intrusion alarm, intrusion detector alarm, security voice alarm, burglar alarm; protective helmets; laboratory apparatus and instruments, namely, air-gas generators for scientific experiments in laboratories, constant temperature incubators, constant humidity incubators, glassware for scientific experiments in laboratories, porcelain ware for scientific experiments in laboratories, furnaces for laboratory experiments, pre-packed columns for use in separation and purification, homogenizers, scientific models, simulators, mannequins and specimens of human bodies and organisms and animal bodies and organisms, human and animal skeletons, 3D molecular models, DNA structural models, and other chemical, biological and botanical structural models, and computerized and interactive versions of the aforementioned products; optical apparatus and instruments, namely, telescopes, body-tubes for telescopes being lens-barrels, tripods for telescopes, periscopes, binoculars, reflectors for telescopes, prisms for telescopes, lenses for telescopes, microscopes, magnifying glasses, body-tubes for microscopes being lens-barrels, metallurgical microscopes, biological microscopes, reflectors for microscopes, prisms for microscopes, polarizing microscopes, stereoscopes, and lenses for microscopes;measuring or testing machines and instruments, namely, temperature indicators, gasometers, thermometers, water meters, balances, tape measures, measuring rules; pressure gauges, namely, manometers; level indicators, namely, spirit levels; hygrometers, illuminometers, vibration meters, flow meters, angle gauges; measuring instruments, namely, angle dividing apparatus, length measuring gauges, screw-thread measuring machines and instruments, flatness testing machines and instruments, automatic pressure control machines and instruments, automatic liquid-flow control machines and instruments, automatic liquid-level control machines and instruments; automatic temperature control machines and instruments, namely, an environmental monitoring system comprised of meters and sensors that measure temperature and includes alarm and reporting functions; program control machines and instruments in the nature of manufacturing process control microprocessor based hardware and software used to monitor the status of industrial machinery; power distribution or control machines and apparatus, namely, electric switches, electric relays, circuit breakers, power controllers, current rectifiers, electric connectors,electric circuit closers, electric capacitors, electric resistors, local switches, power distributing boxes, plug boards, fuses for electric current; batteries and cells;electric or magnetic meters and testers; electric wires and cables; electric buzzers; telecommunication devices and apparatus, namely, cable transmission machines and apparatus, power-line transmission machines and apparatus, open-wire transmission machines and apparatus, single-channel and multi-channel radio communication machines for fixed and mobile stations, portable single-channel and multi-channel radio communication machines for fixed and mobile stations; remote control telemetering machines and instruments, antennas, namely, aerials, cabinets for telecommunication apparatus, connectors for telecommunication apparatus, stands and racks for telecommunication machines and apparatus, change-over switches for telecommunication apparatus, plug boards; mouse pads for computers; mouse for computers; downloadable digital image, namely, CAD data and image files of pictures and photos, via the computer network; electronic machines, apparatus and their parts, namely, computers, hard disk drives, electronic circuits; electrodes; gloves for protection against accidents; dust masks; gas masks; welding masks; fireproof garments; spectacles, namely, eyeglasses and goggles; pre-recorded magnetic disks, optical disks, magnetic optical disks, CD-ROMs, DVD-ROMs and magnetic tapes containing magazines, books, newspapers, geographical maps, photographs and drawings, and the other recorded video discs and videotapes, all on the subject of machine parts, machine elements, factory machines and the factory automation and metalworking business; downloadable electronic publications, namely, books, magazines, brochures, catalogs, manuals and leaflets featuring machine parts, machine elements, factory machines and the factory automation and metalworking business