| http://www.w3.org/ns/prov#value | - lly parallel to a general line of extension, E (FIG. 2), and arms 18, 20 disposed at an angle, A, e.g. 45.degree., to portion 16.Referring to FIGS. 3, 4 and 5, the panels 12', 12 may also be flat, with the flat panels arranged in a line (FIGS. 3a, 4, 5), or may intersect at an angle, B (FIGS. 3, 4a, 5a), depending, e.g., on terrain, design factors such as wind, or desiredappearance.Each panel 12
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