Chemical engineering –The main of application of physics, or chemistry, biology, or engineering principles in order to carry out chemical processes on a commercial scale.

Civil engineering –The design or construction of public or private works, such as an infrastructure (airports, roads, railways, and water supply or treatment etc.), bridges, dams, or buildings.

Electrical engineering – The design or study of various electrical or electronic systems, such as a electrical circuits, generators, motors, electromagnetic, and electromechanical devices, electronic devices, electronic circuits, optical fibers, optoelectronic devices, computer systems, telecommunications, instrumentation, or controls, and  electronics.

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