Study The Effect of Adding (MgO) on Some Mechanical and Thermal Properties of Polyvinyl Chloride (PVC) Pipes Exposed to Sunlight. مجلة العلوم الهندسية [Internet]. 2025 Feb. 21 [cited 2026 Jun. 18];41(1). Available from: https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/7078