The general secretariat of ARID Scientific Platform for Arabic-speaking scholars, experts and researches is grateful for your participation at the opening and the closing ceremony of the 8th ARID international scientific forum (ALMAHFAL) which was held for the period 15-20 June 2021 AD corresponding to 5-10 Dhu alQa’dahWhere Prof. Dr. Ibrahim Saad Ibrahim Al-Jumaili/Department of Petroleum and Refining Engineering, Assistant Professor Dr. Qassem Yahya Rahawi/Department of Engineering, and Dr. Mohammed Hussin Ahmed/Department of Petroleum and Refining Engineering received participate certificate in the activities of the scientific forum, wishing them continued progress and success in the scientific fields.