/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ibraheem https://cdn.slidesharecdn.com/profile-photo-ibraheem-48x48.jpg?cb=1555227979 I hope to see all kids and youth the have more educate , knowledge .. i need to thanks slide share team for there activities in this field www.sudanesercflightclub.shutterfly.com