The Department of Mechanical Engineering at the University of Technology held a specialized scientific lecture "The Use of Hydrocarbon gases as icing fluids "delivered  by Dr. Ahmed Abd-Mohammed Saleh in the late Dr. Munir Al-Mudhaffar hall in the Department of Mechanical Engineering

The lecture was delivered in the presence of the Head of Department. Moayad Razouki Hassan and its Scientific Associate Dr.Qassim Abbas Attieh and the administrative Associate Dr. Falah Fakher Hatim with a number of professors and employees of the Mechanical Engineering Department,

During the lecture had discussed the latest methods and techniques used in the modern equipment in the world of air conditioning in general and the use of hydrocarbon gases in particular of this field.