Clinometers; Microscopes; Mousepads; Artificial limbs for medical instruction purposes; Car video recorders; Cement testing machines; Coin counting or sorting machines; Knee pads for workers; Marking and signalling buoys; Medical teaching mannequins; Portable video cameras with built-in videocassette recorders; Protective work gloves; Radar guns for sporting events; Rangefinders for golf; Wireless electronic visitor chimes