Suggestion branch list like so      Aerospace Engineering  The design of aircraft spacecraft and related topics      Chemical Engineering  The conversion of raw materials into usable commodities      Civil Engineering  The design and construction of public and private works such as bridges and buildings      Computer  Electrical Engineering  The entire process of designing and coding computers electronics and computer related devices      Mechanical engineering  The design of physical or mechanical systems such as engines kinematic chains and vibration isolation equipment      may need to change the description but you get the idea