Keywords: 01probstatement.jpg This image was copied from wikiversity en The original description was thin walled beam own 9-12 christian g us public domain 1 date/time username resolution size edit summary ---- 12 septembre 2008 à 18 34 Eas4200c f08 blue d 364×250 9 Kio <nowiki> prob descr own work 9-12 christian g us public domain none </nowiki> Aerospace engineering |