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  2. Automatic soap dispenser - Wikipedia

    en.wikipedia.org/wiki/Automatic_soap_dispenser

    Automatic soap dispenser. An automatic soap dispenser is a device that dispenses a controlled amount of soap solution (or a similar liquid such as a hand sanitizer). They are often used in conjunction with automatic faucets in public restrooms. They function to conserve the amount of soap used and stem infectious disease transmission.

  3. Autoblock - Wikipedia

    en.wikipedia.org/wiki/Autoblock

    An autoblock (or autobloc or "third hand") is a rope device used in climbing and caving for both rappelling (downward) and ascending (upward). [1] [2]While rappelling, it slides freely down the rope when pushed downward by the hand, allowing a controlled descent, but jams in the event of a sudden drop or loss of control, stopping the descent.

  4. Toilet roll holder - Wikipedia

    en.wikipedia.org/wiki/Toilet_roll_holder

    A toilet-roll holder, also known as a toilet paper dispenser, is an item that holds a roll of toilet paper. Common models include a hinged length of wire mounted horizontally on a wall, a thicker axle either recessed into a wall or mounted on a frame, or a freestanding vertical pole on a base.

  5. Automated dispensing cabinet - Wikipedia

    en.wikipedia.org/wiki/Automated_dispensing_cabinet

    An automated dispensing cabinet (ADC), also called a unit-based cabinet (UBC), automated dispensing device (ADD), or automated dispensing machine (ADM), is a computerized medicine cabinet for hospitals and healthcare settings.

  6. Railway signalling - Wikipedia

    en.wikipedia.org/wiki/Railway_signalling

    Most blocks are "fixed", i.e. they include the section of track between two fixed points. On timetable, train order, and token-based systems, blocks usually start and end at selected stations. On signalling-based systems, blocks start and end at signals. The lengths of blocks are designed to allow trains to operate as frequently as necessary.

  7. Automatic block signaling - Wikipedia

    en.wikipedia.org/wiki/Automatic_block_signaling

    Automatic block signaling (ABS), spelled automatic block signalling or called track circuit block (TCB [1]) in the UK, is a railroad communications system that consists of a series of signals that divide a railway line into a series of sections, called blocks. The system controls the movement of trains between the blocks using automatic signals.

  8. Placer deposit - Wikipedia

    en.wikipedia.org/wiki/Placer_deposit

    Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers. [2] Placer materials must be both dense and resistant to weathering processes. To ...

  9. Pick-and-place machine - Wikipedia

    en.wikipedia.org/wiki/Pick-and-place_machine

    Internal details of a two head, gantry style pick-and-place JUKI SMT machine. In the foreground are tape and reel feeders, then the (currently empty) conveyor belt for printed circuit boards, and in back are large parts in a tray.