/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SharifRagab https://cdn.slidesharecdn.com/profile-photo-SharifRagab-48x48.jpg?cb=1592920069 11 years of experience in psychical security with different security fields : hospitals , schools , factories, oil field , events , full property management