FIG. 11D shows the cross-segment D of FIGS. 10A, 10B, eleven having a number one edge DLE concave bend closer to your horizontal airplane HP. Cross-area D ways a slight General S curve form with the trailing edge DTE https://mathejanv551914.newbigblog.com/36258485/the-smart-trick-of-outdoor-tropical-palm-leaf-ceiling-fan-that-no-one-is-discussing