9 Ozonisers and ozonators; Electrolysers and electrolytic cells; Fire extinguishers; fire extinguishing apparatus, namely, fireplugs; Fire hose nozzles; Sprinkler systems for fire protection; Fire alarms; Gas alarms; Laboratory apparatus and instruments, namely, air-gas producing apparatus 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; homogenizers; Optical machines and apparatus; Measuring or testing machines and instruments; Power distribution or control machines and apparatus; Rotary converters; Phase modifiers; Solar batteries; Batteries and cells; Electric and magnetic meters and testers, namely, phase indicators, oscillographs oscilloscopes, circuit testers, antenna parameter measuring apparatus, ground detectors, magnetometers, frequency meters, vacuum tube characteristic testers, watt hour meters, resistance measuring instruments, voltmeters, wavemeters, ammeters, wattmeters, oscillators, capacity measures; Electric wires and cables; Telecommunication machines and apparatus, namely, telephone apparatus, wire communication machines and apparatus, transmission machines and apparatus for telecommunication, broadcasting machines and apparatus, radio communication machines and apparatus, radio application machines and apparatus, remote control telemetering machines and instruments, audio frequency devices and apparatus, video frequency devices and apparatus, parts and accessories for telecommunication machines and apparatus; Electronic machines, apparatus and their parts, in the nature of downloadable computer software for use in database management, for use as a spreadsheet and word processing; Electronic machines, apparatus and their parts, in the nature of, computers and their peripherals, electrostatic copying machines, electron tubes, semi-conductor elements, electronic circuits not including those recorded with computer programs, Geiger counters, high frequency apparatus for welding, cyclotrons not for medical purposes, industrial X-ray machines and apparatus not for medical use, industrial betatrons not for medical use, magnetic prospecting machines, magnetic object detectors, seismic exploration machines and apparatus, hydrophone machines and apparatus, echo sounders, ultrasonic flaw detectors, ultrasonic sensors, electronic door closing control systems, electron microscopes; Magnetic cores; Resistance wires; Electrodes, other than welding electrodes or medical electrodes