| http://www.w3.org/ns/prov#value | - These objects, and other features and advantages of this invention will become readily apparent from the following description when taken in conjunction with the accompanying drawings, wherein: FIG. 1 is a fragmentary front eleva-tional view of a preferred embodiment of this invention; FIG. 2 is an enlarged fragmentary view taken along the lines 22 in FIG. 1 and showing a plan view of the support
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