نتائج البحث
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Nd3IqtFCFNY.jpg?itok=ELROJPFi)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Z4ezmvaahNI.jpg?itok=N9-U0N_7)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/hjIw2i-bMmo.jpg?itok=7-v_Ax6e)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/m5WPCDr6i7A.jpg?itok=rycAiNdZ)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/e4tF-0zhxMM.jpg?itok=lCSifJcJ)
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/lyTDKzHZd0o.jpg?itok=9PyIopfG)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/lZnn-LJHQZg.jpg?itok=uWTq7bfg)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/652367673.jpg?itok=4gIMycJw)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Pdw6xY7BhsE.jpg?itok=AwzqGDL6)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/uBxWLOyHjRQ.jpg?itok=ZcIhU-nd)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/826429696.jpg?itok=IaPQTSKk)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/1AZKCTYjmrY.jpg?itok=epdkaelS)
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/7y_4UEat-dY.jpg?itok=FtX-pfLM)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/cmFsu7bb3o0.jpg?itok=tWk6n4g9)
الهندسة والتصنيع والبناء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
المصفيـات: