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A soldier examines two inverted VS-1.6 blast-resistant anti-tank landmines. Cut-away view of a VS-MK2 blast-resistant anti-personnel mine. A blast resistant mine is a landmine (intended for anti-tank or anti-personnel purposes) with a fuze which is designed to be insensitive to the shock wave from a nearby explosion.
Cobblestone is a natural building material based on cobble-sized stones, and is used for pavement roads, streets, and buildings. Setts , also called Belgian blocks, are often referred to as "cobbles", [ 1 ] although a sett is distinct from a cobblestone by being quarried and shaped into a regular form, while cobblestones are naturally occurring ...
This is a list of cobblestone buildings, mostly houses and mostly but not all in the United States, that are notable and that reflect cobblestone architecture. Cobblestone architecture had some popularity for substantial homes and other buildings for a period, but is limited in scope of employment. St. Alban's Church, Copenhagen
Samples of "ground granulated blast furnace slag" (left) and "granulated blast furnace slag" (right) Ground granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.
Blast walls perform best if the explosion is relatively close to the front of the wall [1] "Canopied" walls (with a top section overhanging the front face) show some improved blast protection over plane walls; A 90-degree canopy is more effective than a 45-degree one [2] Walls containing sand or water work well, and cause little damage if they fail
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 ...
Geological resistance is a measure of how well minerals resist erosive factors, and is based primarily on hardness, chemical reactivity and cohesion. [1]
Sand-colored VS-50 mine intended for use in desert environments (shown beside a wristwatch, for scale). An anti-personnel mine or anti-personnel landmine (APL) is a form of mine designed for use against humans, as opposed to an anti-tank mine, which target vehicles. [1]