Hello dear student
Mechanical engineers design power-producing machines, such as
electric generators
internal combustion engines
steam and gas turbines
as well as power-using machines, such as r
air-conditioning systems.
Mechanical engineers design other machines inside buildings, such as elevators and escalators
I think this is a very broad subject, which overlaps with lots of other types of engineering.
the most common specializations of mechanical engineering include manufacturing, transportation systems, combustion, nanotechnology and robotics.
Please visit the link for more information.
https://www.careers360.com/courses/mechanical-engineering-course
Hope that's helpful
Best of luck
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