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  2. Escalator - Wikipedia

    en.wikipedia.org/wiki/Escalator

    Seeberger escalators featured flat treads and smooth risers; other escalator models have cleated treads and smooth risers. The steps are linked by a continuous metal chain that forms a closed loop. The front and back edges of the steps each have two wheels, the rear of which are set further apart and fit into the trailer-wheel track while the ...

  3. Lift chair - Wikipedia

    en.wikipedia.org/wiki/Lift_chair

    Lift chairs at Tampa Lift Chair Showroom. Lift chairs, also known as lift recliners or riser armchairs, are chairs that feature a powered lifting mechanism that pushes the entire chair up from its base and so assists the user to a standing position. In the United States, lift chairs qualify as durable medical equipment under Medicare Part B. [1]

  4. Kill switch - Wikipedia

    en.wikipedia.org/wiki/Kill_switch

    An emergency switch in Japan. On railways, [1] an emergency stop is a full application of the brakes in order to bring a train to a stop as quickly as possible. [2] This occurs either by a manual emergency stop activation, such as a button being pushed on the train to start the emergency stop, or on some trains automatically, when the train has passed a red signal or the driver has failed to ...

  5. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    Stage lifts and orchestra lifts are specialized elevators, typically powered by hydraulics, that are used to raise and lower entire sections of a theater stage. For example, Radio City Music Hall has four such elevators: an orchestra lift that covers a large area of the stage, and three smaller lifts near the rear of the stage.

  6. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    Riser: The near-vertical element in a set of stairs, forming the space between one step and the next. It is sometimes slightly inclined from the vertical so that its top is closer than its base to the person climbing the stairs. If a physical riser is not present, the design is described as "open riser". This is often the case in unfinished ...

  7. Paternoster lift - Wikipedia

    en.wikipedia.org/wiki/Paternoster_lift

    A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.

  8. Elevator operator - Wikipedia

    en.wikipedia.org/wiki/Elevator_operator

    The Smith Tower in Seattle, Washington uses traditional elevator operators, as seen in this 2008 photo.. An elevator operator (North American English), liftman (in Commonwealth English, usually lift attendant), or lift girl (in British English), is a person specifically employed to operate a manually operated elevator.

  9. Fire escape - Wikipedia

    en.wikipedia.org/wiki/Fire_escape

    A fire escape is a special kind of emergency exit, usually mounted to the outside of a building—occasionally inside, but separate from the main areas of the building. It provides a method of escape in the event of a fire or other emergency that makes the stairwells inside a building inaccessible.

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