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= Automotive lift = An Automotive lift is a machine used for raising cars or trucks to allow mechanics to work under them. They are often powered pneumatically or hydraulically depending on type. The application of hydraulic actuation to automobile lifts can be found in the United States patent US1841900.

Types of Automotive lift
The Automotive Lift Institute categorizes lifts in 7 groups :

Two-post:
Two-posts lifts are one of the most common types of automotive lift, usually featuring adjustable arms to accommodate most typical passenger vehicles. One steel beam (or "post") is located on either side of the vehicle to support it's weight.

Multi-post runway:
Multi-post runway lifts feature platforms long enough for the vehicle to be driven onto the lifting platform. These lifts support the vehicle by its tires, and typically have a support post at each corner.

Parallelogram:
Parallelogram lifts are similar to runway lifts, but require space to move fore or aft. These are typically used for heavy duty applications as the multiple lifting supports allow for additional hydraulic cylinders.

Scissors:
Scissors type lifts are another type of roll-on runway lift, with the hydraulic cylinder located inside a set of linked folding supports. These operate in the same manner as a scissor lift.

In-ground:
A lift installed with its main lifting components below the garage floor is considered an in-ground lift. These are often located in permanent manufacturing facilities and can use a variety of mechanisms to operate.

Mobile Column:
Mobile column lifts are modular systems designed to have a unit placed at each wheel of a vehicle. Each unit contains its own lifting apparatus. These systems allow mechanics to work on vehicles outside of a garage.

Low/Mid-rise:
Low and Mid-rise lifts are smaller lifts designed to allow more access to the underside of a vehicle than a traditional jack. Many of this type of lift are sold to consumers for at-home garage use. They often self contain a power system or use compressed air.