Answer:
Hydraulics systems use liquids (such as oil) to actuate a movable apparatus. Hydraulics are commonly used in earth-moving equipment as well as many factories for mass production. Hydraulic systems are often favored for such applications for their versatility and strength.
First answer by Kmcquiggin. Last edit by Kmcquiggin. Contributor trust: 37 [recommend contributor recommended]. Question popularity: 1 [recommend question].