مطلوب تعليق صوتي انجليزي لكنة امريكية - رجل - مادة تعليمية

n the previous days and up to the incident, the plant had been undergoing start-up activities after an major shutdown . As part of the production preparation, a pressurized leak test using nitrogen was conducted and a leak identified from a 66 inch flange due to a drop in test pressure at that location,