Wet heat sterilization describes sterilization techniques that utilize hot air that is heavily laden with water vapor and where this moisture plays the most important role in the sterilization. Heating an article is one of the earliest forms of sterilization practiced. The various procedures used to perform moist heat sterilization process cause destruction of micro-organisms by denaturation of Macromolecules. This trainer is designed to demonstrate the visible training system, operation, theory, repair and servicing of Sterilization equipment that used at clinics & hospitals. The student can study what is inside the trainer. A number of test points are available for measurement of certain electrical points on the circuit. Based on the symptoms and the signal at the test points.