/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: AhmedMessallam https://cdn.slidesharecdn.com/profile-photo-AhmedMessallam-48x48.jpg?cb=1613481748 I'd like to know more in the field of industrial as well as help the instrument and electrical peoples by transferring practical knowledge and application to the other people.