it teachs the general engine concept,types and their operation and its configuartions <br />as design and the different fuel systems and its woking concept and components.the Transmission systems concept ,generally and its main components and its different types manual or automatic in more details about its overview design. the Carriage unit and Safety Systems with overview on vehicle structure,vehicle safety system and its testing operations,brakes <br />systems,steering and suspension systems and their main components, and finally wheels and tyres. <br />