/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PariamanSilalahi https://cdn.slidesharecdn.com/profile-photo-PariamanSilalahi-48x48.jpg?cb=1523395366 Drilling & Completion / Work Over & Well Service Rig Inspection, Drilling / Work Over / Well Service Operation, Drilling / Work Over / Well Service Safety Compliance, Mechanical and Electrical Instrumentation.