car manufacturing has allot of different parts involved so the engine would be the most important part of any car ,it is like your good heart it is that way and sadly in the Arab nation there is no manufacturing companies for cars ,and i decided to make a try in the manufacturing process ,just to take a chance in manufacturing ,cars ,engines are made from compost material like iron ,aluminum ,steel,titanium,and carbon ,but why we choose to make this material in a composet matter because the engine attain heat and fume