The training and workshops Center held a specialized training course for engineers and technicians in the state departments (Types of heat exchangers, their application and principle of operation with their maintenance) The lecture was given by the A.M.Dr. Hassanein AdnanThe course included several axes, the most important of which are: - Identify the types of heat exchangers, their principle of operation and applications, as well as determine the maintenance of the heat exchanger and methods of its maintenance, participants received theoretical and practical lectures and participants who successfully passed the course were awarded a certificate of participation.