| http://www.w3.org/ns/prov#value | - FIG. 3 illustrates the framesections in the aligned position where the sign facing is in one plane, i.e. flat, and the slide locks 46 have been slid to bridge the legs of the members 20 and 22 and are fastened in place by screws 54 to lock the frame in the aligned position; holes61 are for rivets to hold the sign facing adjacent the edges of the frame sections.FIGS. 4-6 illustrate an embodiment si
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