electronic interactive whiteboards; pocket calculators; bags adapted for laptops; scanners [data processing equipment]; mouse pads; video screens; monitors [computer hardware]; gloves for protection against accidents; rulers [measuring instruments]; range finders; scales; temperature indicators; electronic pens [visual display units]; toner cartridges, unfilled, for printers and photocopiers; teaching robots; USB flash drives; computer keyboards; printers for use with computers; electric sockets; punched card machines for offices; counterfeit coin detectors; megaphones; battery chargers; materials for electricity mains [wires, cables]; magnifying glasses [optics]; batteries, electric; protective helmets