The planar characteristic and angular dispersion of the mutually leading edge coupled extended flaps, and {HEAD ~ the regular square interior housing result} in {TAIL ~ complementary internal vortices} developed at the trailing edge of the planar architectural surfaces 
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The planar characteristic and angular dispersion of the mutually leading edge coupled extended flaps , and { HEAD ~ the regular square interior housing result } in { TAIL ~ complementary internal vortices } developed at the trailing edge of the planar architectural surfaces
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