When in position, the pin on the end of the ring-pull holds a spring-loaded striker back from the stab- detonator. The PMN-1 mine is armed by removing a steel ring-pull at the end of the horizontal fuze. The PMN-1 has a bakelite case (brown or black in colour) with a black rubber pressure-plate and contains TNT explosive. These mines are palm sized and cylindrical in shape. However, the amount of explosive inside a PMN-1 mine is so large that the risk of victims dying is significantly greater and, assuming that they survive their injuries, the degree of disability inflicted is much more severe. those who step on an M14 mine containing 29 grams of explosive) have a very high probability of survival, though inevitably they suffer permanent disability regarding their gait. The majority of anti-personnel mine victims (e.g. In marked contrast, a PMN-1 contains 249 grams of explosive which can easily destroy a victim's entire leg (frequently requiring amputation high above the knee) in addition to inflicting severe injuries on the adjacent limb, which may also require some form of amputation due to blast injury. the VS-50) contain around 50 grams of high explosive, which typically destroys all or part of a victim's foot. For comparison, most anti-personnel blast mines (e.g. It is particularly deadly because it contains an unusually large explosive filling when compared to most other anti-personnel landmines. The design of the PMN-1 mine dates from the late 1950s. They are sometimes nicknamed "black widow" because of their dark casings. They are one of the most widely used and commonly found devices during demining operations. The PMN ( Russian: противопехотная мина нажимная, lit.'anti-personnel pressure mine') series of blast anti-personnel mines were designed and manufactured in the Soviet Union. The two larger mines are Soviet TM-57 and TM-62P3 (with a PFM-1 lying on it) antitank mines. Front row, from left to right: OZM-72, PMN-4, PMN-2 and PMN-1 antipersonnel mines.
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