1-the special training course of distasteful regimes cooling and air-conditioning maintenance of Buildings and residential buildings.(HVAC). 2- special training courses and airframe Egyptian aviation company and other private world of mechanics courses. 3- Control systems likes (Hydraulic & Pneumatics).I created a project ( internal combustion engine) for car motor and calculated methods by excel and planned it .One of team who created a project (fire tube boiler) and I worked in this project to calculated flame methods . and mechincal desige ( welding) & The amount of water vapor generated by combustion.Mechanical projects engineer managing several projects in HVAC and firefighting fields