/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ahmedshaltout752 https://cdn.slidesharecdn.com/profile-photo-ahmedshaltout752-48x48.jpg?cb=1523482245 I'm a mechanical engineering student I'm interested in science, physics particularly مابكرهش الا احمد العشماوي