| http://www.w3.org/ns/prov#value | - FIGS. 1-5 are of the prior art and are provided for comparison purposes, in which more particularly, FIG. 1 is a vertical section of a prior art building facade; FIG. 2 is a sectional view taken along line 2--2 of FIG. 1, illustrating, on an enlarged scale, details of th
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