A method of isolating active areas of a semiconductor workpiece. The graphical code reader includes an infrared light-emitting diode and a red light-emitting diode. In some embodiments, to facilitate draining the ice chest in situ, a drain water suction pick up tube is provided having a lower portion extending downwardly from the horizontal deck into the volume. The leash also has an extension for lengthening which permits the animal increased freedom of movement. This telephone unit, when used in conjunction with a voice recognition dialing service allows the user to place calls without the use of his or her hands.