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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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The exit gates blocking the road leading away from the tracks are equipped with a delay, and begin their descent to their horizontal position several seconds after the entrance gates do, so as to avoid trapping highway vehicles on the crossing. In the United Kingdom, the exit-side barriers do not lower until the entrance-side barriers have lowered.
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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 following other wikis use this file: Usage on en.wikisource.org Page:U.S. Government Printing Office Style Manual 2008.djvu/279; U.S. Government Printing Office Style Manual/Signs and Symbols; Usage on en.wiktionary.org Appendix:Unicode/Counting Rod Numerals 𝍸 User:Habst/sandbox; Usage on es.wiktionary.org
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.
Alterations were made to the building around 1290, when large drum towers were added to the north side, with arrow slit windows. [3] [4] The Bargate from the south. A two-storey extension was made to the south side towards the end of the 13th century, with four windows lighting the upstairs room. [4]