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It detects, analyzes, and locates directions of laser emissions [1] from laser guidance systems and laser rangefinders. Then it alerts the crew and can start various countermeasures, like smoke screen , aerosol screen (e.g. Shtora ), active laser self-defence weapon with laser dazzler (LSDW, used on the Chinese Type 99 main battle tank [ 2 ...
Peter travel alarm clock, circa 1960. A travel clock, travel alarm clock and in some cases pouch alarm clock, is an alarm clock whose primary characteristic is that it must have a size, design, and weight that make it easily transportable during a trip, so it is usually contained in a box or case.
An automatic trip is an action performed by some system, usually a safety instrumented system, programmable logic controller, or distributed control system, to put an industrial process into a safe state. It is triggered by some parameter going into a pre-determined unsafe state.
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Ghost guns assembled from parts kits purchased online or manufactured by at-home 3D printing have increasingly turned up in high-profile attacks and mass shootings.