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2. Aerial work platform - Wikipedia

   en.wikipedia.org/wiki/Aerial_work_platform

   Replacing an advertising poster in London using an aerial work platform. An aerial work platform (AWP), also known as an aerial device, elevating work platform (EWP), aerial lift, cherry picker, bucket truck or mobile elevating work platform (MEWP) is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height.

3. Rack and pinion - Wikipedia

   en.wikipedia.org/wiki/Rack_and_pinion

   A rack and pinion has roughly the same purpose than a worm gear with a rack replacing the gear, in that both convert torque to linear force. However the rack and pinion generally provides higher linear speed — since a full turn of the pinion displaces the rack by an amount equal to the pinion's pitch circle whereas a full rotation of the worm screw only displaces the rack by one tooth width.

4. Belt manlift - Wikipedia

   en.wikipedia.org/wiki/Belt_manlift

   A belt manlift or manlift is a device for moving passengers between floors of a building. It is a simple belt with steps or platforms and handholds rather than an elevator with cars. Its design is similar to that of a paternoster lift. The belt is a loop that moves in a single direction, so one can go up or down by using the opposite sides of ...

5. Rigid chain actuator - Wikipedia

   en.wikipedia.org/wiki/Rigid_chain_actuator

   A rigid chain actuator, known variously as a linear chain actuator, push-pull chain actuator, electric chain actuator or column-forming chain actuator, is a specialized mechanical linear actuator used in window operating, push-pull material handling and lift applications. The actuator is a chain and pinion device that forms an articulated ...

6. Elevator - Wikipedia

   en.wikipedia.org/wiki/Elevator

   Elevator. Outside of typical elevators, shown in an office building in Portland, Oregon. This elevator to the Alexanderplatz U-Bahn station in Berlin is built with glass walls and doors, exposing the inner workings. An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between ...

7. Forklift - Wikipedia

   en.wikipedia.org/wiki/Forklift

   A forklift (also called industrial truck, lift truck, jitney, hi-lo, fork truck, fork hoist, and forklift truck) is a powered industrial truck used to lift and move materials over short distances. The forklift was developed in the early 20th century by various companies, including Clark , which made transmissions , and Yale & Towne ...