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  2. Tripwire - Wikipedia

    en.wikipedia.org/wiki/Tripwire

    Trip wires are frequently used in booby trapsā  — where either a tug on the wire, or the release of tension on it, will trigger the explosives. Soldiers sometimes detect the presence of tripwires by spraying the area with Silly String. It will settle to the ground in areas where there are no wires; where wires are present, the "strings" will ...

  3. Claymore mine - Wikipedia

    en.wikipedia.org/wiki/Claymore_mine

    PADMINE is an anti-personnel directional fragmentation mine produced by the United Kingdom, similar to the Claymore in cosmetic design with two swivelling legs, inserted into soft-ground. Its lethality out to 50 meters arrives in the form of 650 steel balls and it is activated by remote control or trip wire.

  4. Tripwire force - Wikipedia

    en.wikipedia.org/wiki/Tripwire_force

    A tripwire force (sometimes called a glass plate) is a strategic approach in deterrence theory. The tripwire force is a military force smaller than that of a potential adversary, which is designed to signal the defending side's commitment to an armed response to future aggression without triggering a security spiral .

  5. Tripflare - Wikipedia

    en.wikipedia.org/wiki/Tripflare

    It consists of tripwire around the area, linked to one or more flares. When the tripwire is triggered, as by someone unsuspectingly disturbing it, the flare is activated and begins burning. The light from the flare simultaneously warns that the perimeter may have been breached and also gives light for investigating. [2]

  6. Pipe bomb - Wikipedia

    en.wikipedia.org/wiki/Pipe_bomb

    The bomb is usually a short section of steel water pipe containing the explosive mixture and closed at both ends with steel or brass caps. A fuse is inserted into the pipe with a lead running out through a hole in the side or capped end of the pipe. The fuse can be electric, with wires leading to a timer and battery, or can be a common fuse ...

  7. Tripwire (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Tripwire_(disambiguation)

    A tripwire is a passive triggering mechanism such as a wire attached to a device. Tripwire or tripwires may also may refer to: Books. Tripwire, by Lee Child; ...

  8. Tripwire (G.I. Joe) - Wikipedia

    en.wikipedia.org/wiki/Tripwire_(G.I._Joe)

    Tripwire, like all active Joes, takes part in the invasion of Springfield. [11] Later, he saves a Joe assault team by defusing bombs moments before Tomax and Xamot would have set them off. [12] Tripwire is used as a source of comic relief, playing-off the juxtaposition of his extreme clumsiness and his role as the Joe team's EOD expert.

  9. Variable speed fire pump controller - Wikipedia

    en.wikipedia.org/wiki/Variable_speed_fire_pump...

    Conserve Water During Testing – NFPA-25 requires that the fire pump controller is operated for 10 minutes each week. This ends up using a substantial amount of water in buildings that have static pressures greater than 175 PSI and relies on a system relief valve to control the pressure: (50–100% of the rating of the pump) × (10minutes) × ...