Since the late 1700s steam engines have become a major source of mechanical power.
Chain drive is a way of transmitting mechanical power from one place to another.
Her body's mechanical power is just as great or greater, but it's there to support the interpretation, not to show itself off.
Why do you think we refer to mechanical power as horsepower?
This was done to convey both a sense of raw mechanical power and femininity.
The complex has been referred to as "the greatest known concentration of mechanical power in the ancient world".
She was the first submarine in the world to be propelled by mechanical (rather than human) power.
It required many ages to find out the mechanical power of steam.
The use of wind to provide mechanical power came somewhat later in antiquity.
The movement involved in the mechanical power can be rotating or linear.