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  2. Weir - Wikipedia

    en.wikipedia.org/wiki/Weir

    A notch weir is any weir where the physical barrier is significantly higher than the water level except for a specific notch (often V-shaped) cut into the panel. At times of normal flow all the water must pass through the notch, simplifying flow volume calculations, and at times of flood the water level can rise and submerge the weir without ...

  3. Barbed wire - Wikipedia

    en.wikipedia.org/wiki/Barbed_wire

    The wire is aligned under tension between heavy, braced, fence posts (strainer posts) and then held at the correct height by being attached to wooden or steel fence posts, and/or with battens in between. The gaps between posts vary depending on type and terrain.

  4. Notch (engineering) - Wikipedia

    en.wikipedia.org/wiki/Notch_(engineering)

    Charpy test sample with a notch. In mechanical engineering and materials science, a notch refers to a V-shaped, U-shaped, or semi-circular defect deliberately introduced into a planar material. In structural components, a notch causes a stress concentration which can result in the initiation and growth of fatigue cracks.

  5. Perimeter fence - Wikipedia

    en.wikipedia.org/wiki/Perimeter_fence

    In high-security applications, sensors may be attached to the fence that generate alarms when they detect someone cutting, climbing, or lifting the fence fabric. The goal of perimeter fence. The goal of perimeter fence is to stop or prevent the incident and reduce the level of risk. Doing so discourages the perpetrator from committing a harmful ...

  6. Fence - Wikipedia

    en.wikipedia.org/wiki/Fence

    Stockade fence, a solid fence composed of contiguous or very closely spaced round or half-round posts, or stakes, typically pointed at the top. A scaled down version of a palisade wall made of logs, most commonly used for privacy. Wattle fencing, of split branches woven between stakes. Wire fences Smooth wire fence; Barbed wire fence; Electric ...

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  8. India delays UPI payments market share cap in relief for ...

    www.aol.com/news/india-delays-upi-payments...

    India on Tuesday delayed the implementation of market share caps for a popular digital payments method by two years, a move that will benefit Google Pay and Walmart-backed PhonePe. According to ...

  9. Chicken wire - Wikipedia

    en.wikipedia.org/wiki/Chicken_wire

    Chicken wire, or poultry netting, is a mesh of wire commonly used to fence in fowl, such as chickens, in a run or coop. It is made of thin, flexible, galvanized steel wire with hexagonal gaps. Available in 1 ⁄ 2 inch (about 1.3 cm), 1 inch (about 2.5 cm) diameter, and 2 inch (about 5 cm), chicken wire is available in various gauges —usually ...