PHOTO ERCIES piplines co. istanbul 2015 ERCIES piplines co.Turkey2015 AMETEC VEINNA- FUEL ANALYZERS Dr.Taeb & yekta-OPEC ,Vienna 2010 Dr.Taeb & yekta-OPEC ,Vienna 2012 Dr.Ghanimifard & me -OPEC,Vienna 2014 Cernobbio ITALY-2012 mini refinery- Erbil , kurdistan Dr. Roland ,ERALYTICS technical manager, Isfahan-IRAN mini Gas station- Vienna Viscosity of motor oils Dr. Roland & me& seller, Isfahan-IRAN2008 Yekta Editor book motor oil needs oil Refinery diagram Engine Lubrication Motor oil & Additives Atmospheric Distillation Tower Motor oil embient temperatures Crude Oil refinery diagram Energy piplines routs LPG super tanker Viscosity convert chart