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  2. Detachable chairlift - Wikipedia

    en.wikipedia.org/wiki/Detachable_chairlift

    Some detachable chairlifts have so-called bubble chairs, which add a retractable acrylic glass dome to protect passengers from weather. An alternative system for reconciling slow boarding speeds with fast rope speeds is the carpet lift: the chairs move at full speed even through the terminal. Boarding passengers are progressively accelerated on ...

  3. Airless tire - Wikipedia

    en.wikipedia.org/wiki/Airless_tire

    The drawbacks to airless tires depend on the use. Heavy equipment operators who use machinery with solid tires may become fatigued. Any airless tire will be heavier than the rubber tire it is meant to replace. However, airless tires are not popular with hardcore off-roaders, as those vehicles often need to travel long distances at highway speeds.

  4. Swivel chair - Wikipedia

    en.wikipedia.org/wiki/Swivel_chair

    Office swivel chairs, like computer chairs, usually incorporate a gas lift to adjust the height of the seat, but not usually large (e.g. recliner) swiveling armchairs. A draughtsman's chair is a swivel chair without wheels that is usually taller than an 'office chair' for use in front of a drawing board. They also have a foot-ring to support ...

  5. Rail fastening system - Wikipedia

    en.wikipedia.org/wiki/Rail_fastening_system

    A chair screw (also known as coach screw [16]) is a large (~6 in or 152 mm length, slightly under 1 in or 25 mm diameter) metal screw used to fix a chair (for bullhead rail), baseplate (for flat bottom rail) or to directly fasten a rail. Chair screws are screwed into a hole bored in the sleeper. [17]

  6. Wheel slide protection - Wikipedia

    en.wikipedia.org/wiki/Wheel_slide_protection

    Wheel Slide Protection (WSP) equipment is generally fitted to passenger trains to manage the behavior of wheel sets in “low adhesion” (reduced wheel/rail friction) conditions. It is used when braking and may be considered analogous to anti-lock braking (ABS) in cars. The system can also be used to control (or provide an input to) the ...

  7. Moving walkway - Wikipedia

    en.wikipedia.org/wiki/Moving_walkway

    Moving walkway inside the Changi Airport station of the Singapore MRT. A moving walkway, also known as an autowalk, [1] moving pavement, [2] moving sidewalk, [3], travolator, [4] or travelator (British English), [5] is a slow-moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. [6]

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