Bottom view of the model of the wing of an A300 airliner used in wind tunnel tests. Leading-edge slats (on the left), flap track fairings (or Küchemann carrots, horizontal), spoilers (center, diagonal) and trailing-edge flaps (right) can all be seen clearly.
<a href="//commons.wikimedia.org/wiki/User:Ariadacapo" title="User:Ariadacapo">Olivier Cleynen</a>
CC BY-SA 3.0
<bdi><a href="https://en.wikipedia.org/wiki/en:Deutsches_Museum" class="extiw" title="w:en:Deutsches Museum"><span title="world's largest museum of science and technology">Deutsches Museum</span></a>
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