File:Screenshot 2018-06-07 at 8.19.43 AM.png
Screenshot_2018-06-07_at_8.19.43_AM.png (547 × 230 pixels, file size: 15 KB, MIME type: image/png)
Aerodynamics principles of a plane.
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|current||13:21, 7 June 2018||547 × 230 (15 KB)||TheChiScientist||Aerodynamics principles of a plane.|
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