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2. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   elevator bolt: An elevator bolt is a similar to a carriage bolt, except the head (or foot, depending on the application) is thin and flat. There are many variations. [11] Elevator bolts are designed to be used for leveling appliances or furniture. eye bolt: An eye bolt is a bolt with a looped head.

4. Stair lift - Wikipedia

   en.wikipedia.org/wiki/Stair_lift

   A medical stair lift. A stair lift is a mechanical device for lifting people, typically those with disabilities, up and down stairs. [1] For sufficiently wide stairs, a rail is mounted to the treads of the stairs. A chair or lifting platform is attached to the rail.

5. Wheelchair lift - Wikipedia

   en.wikipedia.org/wiki/Wheelchair_lift

   A wheelchair lift in the front door of a TriMet bus in Portland, Oregon, in 2010 A bus in Prague with wheelchair lift extended, 2006. A wheelchair lift, also known as a platform lift, or vertical platform lift, is a fully powered device designed to raise a wheelchair and its occupant in order to overcome a step or similar vertical barrier.

6. Elevator - Wikipedia

   en.wikipedia.org/wiki/Elevator

   Holeless hydraulic elevators were developed in the 1970s, and use a pair of above-ground cylinders, which makes it practical for environmentally or cost-sensitive buildings with two, three, or four floors. Roped hydraulic elevators use both above-ground cylinders and a rope system, allowing the elevator to travel further than the piston has to ...

7. Stairs - Wikipedia

   en.wikipedia.org/wiki/Stairs

   A stair flight is a run of stairs or steps between landings. A stairwell is a compartment extending vertically through a building in which stairs are placed. A stair hall is the stairs, landings, hallways, or other portions of the public hall through which it is necessary to pass when going from the entrance floor to the other floors of a building.