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aircraft design - What material is the smoothest for air to travel over the wing? - Aviation Stack Exchange
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metal background with rivets. Wing aircraft closeup, Stock Photo, Picture And Low Budget Royalty Free Image. Pic. ESY-050505073 | agefotostock
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The Texture of the Surface of the Aluminum Wing of the Aircraft with Rivets. Stock Photo - Image of rivets, aluminum: 152329142
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