Apparatus for transmission of communication; Cabinets for loudspeakers; Camcorders; Chargers for electric batteries; Computer peripheral apparatus; GPS navigation device; Light pens; Optical frequency metrology devices; Optical sensors; Portable telecommunication instant messaging devices; Power adapters; Power cables; Pressure indicators; Printed circuit boards; Stereo headphones; Subwoofers; Testing equipment for measuring the temperature, pressure, position or form of workpieces in a machi...