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Blast dampers usually employ some type of blade held open with tension from a spring. The damper blades close automatically when pressure overcomes the resistance offered by the spring. Various models differ in the amount of blast protection (e.g. 1 bar/14.5 psi or lower amounts of protection) and whether they stay closed after the blast or ...
This kind of protection was used by turret gunners during the Iraq War, to protect them against small arms fire and fragmentation. To increase overall protection, separate accessories can be added to the OTV: Collar device that is divided in two parts, a neck and collar protector and a throat protector; Groin protector.
Blasting mats are used when explosives are detonated in places such as quarries or construction sites. The mats are placed over the blasting area to contain the blast, suppress noise [1] and dust as well as prevent high velocity rock fragments called fly rock (or flyrock) from damaging structures, [2] people or the environment in proximity to the blast site. [3]
Blast (leaf, neck [rotten neck], nodal and collar) Pyricularia grisea = Pyricularia oryzae Magnaporthe grisea [3] [teleomorph] Brown spot Cochliobolus miyabeanus Bipolaris oryzae [anamorph] Crown sheath rot Gaeumannomyces graminis. Downy mildew Sclerophthora macrospora. Eyespot Drechslera gigantea. False smut Ustilaginoidea virens. Kernel smut
X-Series PB-7910T Gas-Engine Backpack Leaf Blower. Echo’s yard machines rarely lack for power, but the PB-7910T backpack gas engine leaf managed to exceed expectations, maxing out with an air ...
The Advanced Bomb Suit (ABS) is a full body bomb suit designed to protect explosive ordnance disposal (EOD) soldiers from threats associated with improvised explosive devices, including those related to fragmentation, blast overpressure, impact, heat, and flame. Manufactured by Med-Eng, the ABS uses new material technology and design to improve ...
A Bremer wall, or T-wall, is a twelve-foot-tall (3.66 m) portable, steel-reinforced concrete blast wall of the type used for blast protection throughout Iraq and Afghanistan. The Bremer barrier resembles the smaller 3-foot-tall (0.91 m) Jersey barrier, which has been used widely for vehicle traffic control on coalition military bases in Iraq ...
A blast valve is used to protect a shelter, such as a fallout shelter or bunker, from the effects of sudden outside air pressure changes. A nuclear weapon creates a shock wave, which may produce sudden pressure changes of more than an atmosphere (about 1 bar) even several kilometres from the detonation point.