| http://www.w3.org/ns/prov#value | - The above is without departing from the guiding principle disclosed above and claimed below.Generally, the optical means 301 for deviating and concentrating light is a lens whose curvature is calibrated in such a manner as to deviate and concentrate light on the opaque area 501 when the sun is at its highest position above the horizon, and progressively deviate and concentrate light on the transpa
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