/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: MahmoudElhelbawy https://cdn.slidesharecdn.com/profile-photo-MahmoudElhelbawy-48x48.jpg?cb=1608959499 I have a project background in construction from mechanical point of view .My expertise has been primarily in the piping activities ,and includes basic and conceptual engineering studies, reviewing and supervision.