| http://www.w3.org/ns/prov#value | - If desired, in addition to magnets 160, FIG. 2, which, in conjunction with sensor 161, determine the position of the carousel in the spray chamber, a continuous magnetic strip could encircle a portion of the bottom of the carousel with a sensor, such as a reed switch or other magnetic sensor, positioned to provide a signal whenever the carousel is placed in the spray chamber regardless of its angu
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