barbed wire in Karachi, fence wire usually consisting of two longitudinal wires twisted together to form cable and having wire barbs wound around either or both of the cable wires at regular intervals. The varieties of barbed wire are numerous, with cables being single or double, round, half-round, or flat and having a range of gauges. The twisted double cable provides extra strength and permits contraction and expansion without breakage Razor Wire in Karachi. Barbs are diagonally cut in order to provide sharper points; they may consist of one or two pieces (two or four points) .

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