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A baby gate or stair gate is a protective barrier designed to prevent babies and toddlers from accessing areas of a home that may not be safe for them, such as stairways and kitchens. [2] Baby gates are typically constructed of metal, plastic and/or wood, and can be expanded to fit in a range of doorway widths.
Drop Arm style optical turnstiles. An optical turnstile is a physical security device designed to restrict or control access to a building or secure area. Optical turnstiles are usually a part of an access control system, which also consists of software, card readers, and controllers.
However, these gates are less effective than full platform screen doors in preventing people from intentionally jumping onto the tracks. [14] These gates were first [clarify] in practical use by the Hong Kong MTR on the Disneyland Resort line for the open-air station designs. Most half-height platform edge door designs have taller designs than ...
A safety barrier is a component which prevents passage into a dangerous area. It is commonly used to mitigate risk in the Hazard-Barrier-Target model, as studied in safety science. Work Safe Victoria (an Australian organization) defines a Safety Barrier as a device that: [1] physically separate the work area and the traveled way,
The safety of an automated gate is an important consideration, in the European Union, automated gate safety is specified by a series of European Normalisations. An automated gate that has not been fitted with safety in mind can potentially become a major hazard particularly to untrained users.
The dial is connected to an internal mechanism, usually containing three separate wheels with notches, called gates. Each wheel must be aligned to allow a fence to drop into the gates, releasing the lever that holds the lock in place, allowing the lock to open. Generally, this is accomplished by moving the dial to three (or more) positions ...
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