Usually it is used as a lever.
a lever is used for helping people work with things.
The lever can be used technologically in various industries.
A lever is used to turn on a circuit A lever is also used to turn off a circuit
The function of a lever is used to move or lift objects.
A spatula is used as a lever when it is used to lift a substance from a surface.
A common lever is used to move an object
Never heard of a "lever lawn mower"
Class Two Lever
The biceps is a class 3 lever
lever
A claw-hammer can be used to lever out nails from a plank of wood.
Some of the force used in a lever will be to overcome friction, this means that not 100% of the force can be used to lever as some of it will be used to overcome friction as well as an multitude of other forces.