9 Ozonisers for calibration purposes; electrolytic cells consisting primarily of electrodes; protective helmets; laboratory apparatus and instruments for extracting nucleic acids and DNA, and not for medical purposes; photographic apparatus and instruments, namely, cameras; cinematographic apparatus and machines; optical machines and apparatus, namely, optical disk readers, disk drives, cables, and shutters; measuring and testing machines and instruments, namely, electric sensors, magnetic sensors, rotation angle sensors, carbon dioxide sensors, hall elements in the nature of magnetic sensors, directional compasses, and magnetic compasses; electric power distribution control machines and apparatus, namely, power distribution boxes; rotary converters; phase modifiers; telecommunication machines and apparatus, namely, exchangers, cables, transmitters, fusers, and computer hardware; personal digital assistants; electronic machines, apparatus and their parts, namely, semi-conductors, semi-conductor chips, semi-conductor devices, semiconductor wafers, large scale integrated circuits, integrated circuits, printed circuit boards incorporating integrated circuits, integrated circuit chips, silicon chips, microchips and light-emitting diodes; downloadable computer software for processing digital music files; downloadable computer software for controlling the operation of audio and video equipment; downloadable data processing software; downloadable software for GPS navigation systems; [ data processors; ] electron tubes; semi-conductor elements, namely, memory units; electronic circuits, not including those recorded with computer programs; recorded computer operating programs; geiger counters; cyclotrons; industrial X-ray apparatus; industrial betatrons; magnetic prospecting machines, namely, metal detectors; magnetic object detectors; seismic exploration machines and apparatus; hydrophone machines and apparatus, namely, hydrophones; echo sounders; ultrasonic flaw detectors; ultrasonic sensors; electron microscopes; protective helmets for sports; sports whistles; filters for laboratory equipment and laboratory use for removing viruses and other microorganisms, namely, bottle top filters used for the purification of tissue culture media by removing viruses and other microorganisms; filtration device for laboratory use, namely, filters for blood and blood components for laboratory use; membrane filters for blood and blood components filtration device for laboratory use; chromatograph device for laboratory use; chromatographic columns for chromatograph device for laboratory use; downloadable computer application software for mobile phones, namely, software for use in database management