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  2. Interlock (engineering) - Wikipedia

    en.wikipedia.org/wiki/Interlock_(engineering)

    It may consist of any electrical or mechanical devices, or systems. In most applications, an interlock is used to help prevent any damage to the machine or to the operator handling the machine. For example, elevators are equipped with an interlock that prevents the moving elevator from opening its doors and prevents the stationary elevator ...

  3. Truck bedliner - Wikipedia

    en.wikipedia.org/wiki/Truck_bedliner

    A truck bed liner, or simply a bed liner, is a protector applied or installed into a truck. It can be used to protect the bed of the truck from impact damage and abrasive damage. There are two broad classifications of bed liners: "Drop-in" and "Spray-on/in". "Drop-in" bed liners are installed into a truck bed with limited preparation work and ...

  4. Runaway truck ramp - Wikipedia

    en.wikipedia.org/wiki/Runaway_truck_ramp

    A runaway truck ramp on the A7 in Germany. A runaway truck ramp, runaway truck lane, escape lane, safety ramp, emergency escape ramp, or truck arrester bed is a traffic device that enables vehicles which are having braking problems to stop safely.

  5. Tonneau - Wikipedia

    en.wikipedia.org/wiki/Tonneau

    Tonneau covers [10] are used in coupé utility cars and pickup trucks to cover and secure the cargo bed and come in a variety of styles. Mainly they are categorized by material Soft or Hard covers. Soft covers can be rollup or folding and Hard covers are rollup, folding or one piece.

  6. Interlocking - Wikipedia

    en.wikipedia.org/wiki/Interlocking

    Entrance-Exit Interlocking (NX) was the original brand name of the first generation relay-based centralized traffic control (CTC) interlocking system introduced in 1936 by GRS [13] (represented in Europe by Metropolitan-Vickers). The advent of all electric interlocking technology allowed for more automated route setting procedures as opposed to ...

  7. Lever frame - Wikipedia

    en.wikipedia.org/wiki/Lever_frame

    A mechanical lever frame inside the signal box at Knockcroghery in Ireland Waterloo station A signalbox, LSWR (Howden, Boys' Book of Locomotives, 1907). Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals, track locks [1] and points to allow the safe operation of trains in the area the signals control.