نتائج البحث
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Rxw30JbEdmE.jpg?itok=9Zbsq4W4)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/oqOFkoksO6U.jpg?itok=2allKznq)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/H_SiUfH0PHA.jpg?itok=H0suY3Dy)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/pGeGkxYby4w.jpg?itok=pOugKPtd)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/3Vd8Rpyt42s.jpg?itok=47JCkKD_)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/SayOgSBkVlo.jpg?itok=8EVzDG8D)
الهندسة والتصنيع والبناء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/DCVqjVVCn6w.jpg?itok=OSX7uKWN)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Psyl34iYXKU.jpg?itok=sndM7_DX)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Y9WdZkeki3I.jpg?itok=SvwpWIN1)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/BOvwB0Lm6A8.jpg?itok=Zyyqkg78)
الهندسة والتصنيع والبناء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/XurHNjA_P0A.jpg?itok=8q6gemQa)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/hXj8oqjMaK0.jpg?itok=XcUIqItP)
الهندسة والتصنيع والبناء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
المصفيـات: