Under the auspices of the College of Engineering, Al-Nahrain University, and the supervision of the Department of Architectural Engineering, a workshop entitled "Mechanical Systems, Air Conditioning and Refrigeration Systems in Graduation Projects" was held on Thursday, March 12, 2026. The workshop was conducted by Assistant Professor Dr. Ali Sabri of the Department of Mechanical Engineering, Al-Nahrain University, for fifth-year students (graduation projects in Architectural Engineering, Al-Nahrain University), with the participation of supervising professors from the Department of Architectural Engineering. This workshop, held for the second consecutive year, aimed to simulate the job market, make graduation projects more realistic and applicable, promote sustainable education, and foster knowledge integration between the Department of Architectural Engineering and other engineering disciplines, thus contributing to sustainable development goals.