A molding composition exhibiting bleach resistance includes a polyoxymethylene matrix polymer, from about 0. A graph may be displayed on a display of a workstation in an electronic trading system. Still further, it includes an actuator for energizing the electronic assembly to emit the sound. Lastly, discontiguous records are selected by repeating the above sequence for two or more discontiguous groups of records. The button wheel also includes first and second spaced apart mounts fixed to one of the support frame and said platform.