| http://www.w3.org/ns/prov#value | - a base having a first aperture; a bracket having a main section with a first side, a second side and a third side extending between the first side and the second side, the bracket including a first leg projecting from the first side and having a second aperture therein, a second leg projecting from the second side and having a third aperture therein, and a third leg projecting from the third side;
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