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Barbed wire - Wikipedia ... Barbed wire
The border fences were constructed in a number of phases, starting with the initial fortification of the border from May 1952. The first-generation were crudely built barbed-wire fences (Stacheldrahtzäune) standing between 1.2 and 2.5 metres (3.9 and 8.2 ft) high. The fence was overlooked by watchtowers located at strategic intervals along the ...
Concertina wire - Wikipedia ... Concertina wire
Wiring party. Wiring parties, (or wiring sappers, cutters), were used during World War I on the Western Front as an offensive countermeasure against the enemy’s barbed wire obstacles. Though hazardous and stressful duty, work was done at night to repair, improve, and rebuild their own wire defences, while also sabotaging and cutting the enemy's.
Dragon's teeth (fortification)
This construction technique is one of the most versatile natural building methods and can be used for benches, freestanding walls, emergency shelters, temporary or permanent housing, or barns and commercial buildings. Earthbag is frequently chosen for many small-to-medium-sized institutional structures in the developing world.
Wire obstacle. In the military science of fortification, wire obstacles are defensive obstacles made from barbed wire, barbed tape or concertina wire. They are designed to disrupt, delay and generally slow down an attacking enemy. During the time that the attackers are slowed by the wire obstacle (or possibly deliberately channelled into ...
Trench warfare - Wikipedia ... Trench warfare