| http://www.w3.org/ns/prov#value | - relationship (i.e., such that main mirror 306 focuses to focal point 146) above main mirror 306, such as by extending these elements horizontally cantilevered from a fixed pylon, providing a pair of towers which are located to either side of the main mirror 306 across which are suspended these elements, or other arrangements which are well within the scope of one skilled in the art.
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