Eng. Ahmed Saad Jassim discussed his thesis titled (A practical study of the effect of the angles of the punching ring on the cutting forces of carbon steel plates) and the granting of a master's degree in the specialization of engineering of production and minerals on Monday 28/1/2019. University of Technology and in the presence of the Head of Department, Mr. Aqil Shaker Al-Adly and a number of teachers and staff of the department. The researcher spoke during his letter about the operation of sheet metal, including the cutting process, which is the first phase of any process of formation and used in manufacturing. From Dr. Walid Khaled Jawad as Chairman and both Mr.A.D. Ahmed Zidan Mohammed A. Aqil Sabri Boden members and D.D. Ali Abar Khalifa supervisor.