| http://www.w3.org/ns/prov#value | - he lens including an upper portion, a lower portion, a right side, and a left side; an upper flange projecting from the rear of the upper portion of the lens, the upper flange extending along a majority of the length of the upper portion of the lens, the upper flange configured to be received within the first groove; a lower left flange projecting from the rear of the left side of the lens, the lo
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