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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.
Bagua is a group of trigrams—composed of three lines, each either "broken" or "unbroken", which represent yin and yang, respectively. [1] Each line having two possible states allows for a total of 2 3 = 8 trigrams, whose early enumeration and characterization in China has had an effect on the history of Chinese philosophy and cosmology .
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.
In Bill Gates' new autobiography, "Source Code: My Beginnings" (published February 4 by Knopf), the computer pioneer and philanthropist writes of his formative years, and the experiences that led ...
The room above the gate itself was probably added shortly after 1400 and the town steward books mention a banquet held there in 1434. [12] It was originally used as the city's guildhall, until the 1770s. [13] It was at this point that the city began to grow to the north of the gate. [14]
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]
Guide bars, or guiding bars [1] are rubber-tyred metro systems that incorporate 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge track. They have angle irons as outside of the two roll ways. The Busan Subway Line 4 lacks a rail track, and has I-beams installed as guide bars. The flanges are vertical.
The novel nature of his research caught the fancy of the popular press of his day. Misinterpretations and fabrications were common. Despite Gates's repeated clarifications and denials, the reports took on a life of their own; some persist today. Gates and his system of generating ideas are mentioned in Napoleon Hill's popular book Think and ...