Mechanical Engineering ( Kĩ thuật cơ khí) The branch of engineering that deals with machines and mechanics 1 Power Plant Engineering ( KT nhà máy điện) The branch of mechanical engineering that mainly utilizes the principles of thermodynamics 2 HVAC It deals with heating, ventilation and air conditioning 3 Mechatronics ( cơ điện tử) The new branch that combines mechanical, computer and electrics engineering 4 Aerospace Engineering ( KT hàng không) includes Aeronautical engineering ( KT máy bay ).