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Chain-link fencing showing the diamond patterning A chain-link fence bordering a residential property. A chain-link fence (also referred to as wire netting, wire-mesh fence, chain-wire fence, cyclone fence, hurricane fence, or diamond-mesh fence) is a type of woven fence usually made from galvanized or linear low-density polyethylene-coated steel wire.
In 1930, Mafera filed an application for a "method of forming wire fence fabric", which was approved in 1931. [1] Mafera's brother already owned a chain-link fence company in Medford, Massachusetts, [2] and Mafera's 1931 patent was one of the several advancements made by the Maferas in the development of chain-link fencing.
A variation, called "field fence," has narrower openings at the bottom and wider openings at the top, which helps prevent animals from putting their feet through the fence. For example, horses in particular are safer kept inside woven wire fence with smaller openings, such as "no climb" fence with openings no larger than two inches by four inches.
An example of detector applied on a perimeter fence is the mems accelerometer. The advantages of having a perimeter intrusion detection system are various, and of great importance, for example we obtain a remarkable capacity to analyse the information produced by each sensor, without the need to increase the resources at the centre.
Typical chain link perimeter fence with barbed wire on top. The following types of areas or facilities often are required by law to be fenced in, for safety and security reasons: Facilities with open high-voltage equipment (transformer stations, mast radiators). Transformer stations are usually surrounded with barbed-wire fences.
Chain link fence with barbed wire on top Razor wire is a curved variation of barbed wire. Most barbed wire fences, while sufficient to discourage cattle, are passable by humans who can simply climb over or through the fence by stretching the gaps between the wires using non-barbed sections of the wire as handholds.