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Bar gates, especially manually operated ones, are often counterweighted to allow easier manual control. [7] Bar gates are frequently paired end to end or closely offset to block traffic in both directions. Some bar gates also have a second arm which hangs 30 to 40 cm below the upper arm when lowered to increase approach visibility.
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Kissing gates have been criticized for the vast majority of implementations that are built too narrow to account for the needs of cyclists, parents using Prams or Strollers and wheelchair users. Particularly in urban areas which have minimal requirements for animal control.
Many people consider four-quadrant gates to be safer than two-quadrant gates because they prevent drivers from illegally and dangerously driving their vehicles around lowered gates, in an attempt to pass before the train does. However, these gates are only safer if there is a way of ensuring that the crossing is clear before clearing the train ...
Yett hanging in the main entrance of Blackness Castle, Scotland, showing attached bolts and pierced construction.Wrought in 1693. [1]A yett (from the Old English and Scots language word for "gate") [2] is a gate or grille of latticed wrought iron bars used for defensive purposes in castles and tower houses. [3]
The typical work-flow of an automatic border control system (eGate) [1] Automated border control systems (ABC) or eGates are automated self-service barriers which use data stored in a chip in biometric passports along with a photo or fingerprint taken at the time of entering the eGates to verify the passport holder's identity.
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