jacks are typically used for shop work, rather than as an emergency jack to be carried with the vehicle. Use of jacks not designed for a specific vehicle requires more than the usual care in selecting ground conditions, the jacking point on a vehicle, and ensuring stability when the jack is extended. Hydraulic jacks are often used to lift elevators in low and medium-rise buildings.

A hydraulic jack uses a liquid, which is incompressible, that is forced into a cylinder by a pump plunger. Most often, the