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Barbed wire - Wikipedia ... Barbed wire
Dia (software) - Wikipedia ... Dia (software)
Patent drawing for Joseph F. Glidden's Improvement to barbed wire. Glidden began work on ways to make a useful barbed wire to fence cattle in 1873. He made his best design of barbed wire by using a coffee mill to create the barbs. Glidden placed the barbs along a wire and then twisted another wire around it to keep the barbs in place, in a ...
It is a natural building technique developed from historic military bunker construction techniques and temporary flood-control dike building methods. The technique requires very basic construction materials: sturdy sacks filled with organic material usually available on site. Standard earthbag fill material has internal stability.
Concertina wire - Wikipedia ... Concertina wire
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 ...
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.
Smooth steel wire is the material most often used for electric fences, ranging from a fine thin wire used as a single line to thicker, high-tensile (HT) wire. Less often, woven wire or barbed wire fences can be electrified, though such practices create a more hazardous fence, particularly if an animal becomes caught by the fencing material ...