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The direction of escalator movement (up or down) can be permanently set, controlled manually depending on the predominant flow of the crowd, or controlled automatically. In some setups, the direction is controlled by whoever arrives first. [citation needed]
Mucociliary clearance (MCC), mucociliary transport, or the mucociliary escalator describes the self-clearing mechanism of the airways in the respiratory system. [1] It is one of the two protective processes for the lungs in removing inhaled particles including pathogens before they can reach the delicate tissue of the lungs.
Moving walkway inside the Changi Airport station of the Singapore MRT. A moving walkway, also known as an autowalk, [1] moving pavement, [2] moving sidewalk, [3] people-mover, travolator, [4] or travelator (British English), [5] is a slow-moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. [6]
Escalator etiquette is the etiquette of using escalators. In many places, there is a convention that people should stand on a particular side to allow other people to walk on the other side. [2] Standing on the right is the most common convention, following early escalator design in London. [1] In the 21st century, there have been campaigns for ...
Stairs. Stairs are a structure designed to bridge a large vertical distance between lower and higher levels by dividing it into smaller vertical distances. This is achieved as a diagonal series of horizontal platforms called steps which enable passage to the other level by stepping from one to another step in turn.
An inclined elevator consists of one or two inclined tracks on a slope with a single car on each carrying payload. In the case of a two-track configuration each car operates in a shuttle principle: it moves up and down on its own track independently of the other car. A car is either winched up to the station on the top of the incline where the ...
In architecture, circulation refers to the way people move through and interact with a building. [1] In public buildings, circulation is of high importance; Structures such as elevators, escalators, and staircases are often referred to as circulation elements, as they are positioned and designed to optimize the flow of people through a building, sometimes through the use of a core.
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.