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Galfan or hot dipped galvanized defensive barrier is mostly used for perimeter security, border security. Border security is crucial for each independent country, to guarantee the territorial integrity is important for the military department. Military defensive barrier is one good military fortification which can protect troops and crucial assets against bombs.
The galvanized defensive barrier is made of many wire mesh containers then form a structure which is called as blast wall. Since 1990 the military defensive barrier blast wall has become the most popular means within the military for protecting personnel and ficilities in military field.