Added hyperlinks and Proof Read and Categories and See Also
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[[File:Concertina wire.jpg|right|301px]]
[[File:Concertina wire.jpg|right|301px]]
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'''Concertina wire''' is a type of [[barbed wire]] or razor wire which is formed in large coils. It is typically used by military forces for defensive purposes. It serves as a layer of defense that is used in conjunction with other means of defense.
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'''Concertina wire''' is a type of [[barbed wire]] or razor wire which is formed in large coils. It is typically used by military forces for defensive purposes. It serves as a layer of [[defense]] that is used in conjunction with other means of defense.