Batteries; Cameras; Cell phones; Distance measuring apparatus; Electric door bells; Electric warning lights; Electron tubes; Fax machines; Goggles for sports; Instruments for measuring length; Instruments for measuring milk quality parameters; Level measuring machines; Loudspeaker cabinets; Measuring apparatus for temperature and humidity levels in gases and solid substances; Mobile phones; Mouse mats; Pedometers; Pince-nez; Telescopes; Tool measuring instruments