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  2. Mule ramp - Wikipedia

    en.wikipedia.org/wiki/Mule_ramp

    From road and track construction the principles of design found their way into building architecture. An interior mule ramp consisted of a spiral, curved or straight ramp within a building that had a gentle incline and non-slip floor. Such ramps may be continuous but more often have transverse steps at large intervals.

  3. Inclined plane - Wikipedia

    en.wikipedia.org/wiki/Inclined_plane

    Wheelchair ramp, Hotel Montescot, Chartres, France Demonstration inclined plane used in education, Museo Galileo, Florence.. An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle from the vertical direction, with one end higher than the other, used as an aid for raising or lowering a load.

  4. Wheelchair ramp - Wikipedia

    en.wikipedia.org/wiki/Wheelchair_ramp

    A wheelchair ramp is an inclined plane installed in addition to or instead of stairs. Ramps permit wheelchair users, as well as people pushing strollers, carts, or other wheeled objects, to more easily access a building, or navigate between areas of different height. Ramps for accessibility may predate the wheelchair and are found in ancient ...

  5. Construction of the Egyptian pyramids - Wikipedia

    en.wikipedia.org/wiki/Construction_of_the...

    Also essential was the effective organization of the building site by a module that allowed the work division of the teams along plots and the transport causeways between ramp and workplace, including the return of pulling crews and sleds, probably by a second ramp system. The problem of building the mantle at the ramp arrival point could be ...

  6. The best stair lift for 2025: Chair lifts that make ... - AOL

    www.aol.com/lifestyle/best-stair-lift-134610076.html

    With 12.2% of Americans struggling to walk or climb stairs, a stair lift can make a major difference in accessibility at home. Those who face mobility issues, such as seniors, people recovering ...

  7. Escalator - Wikipedia

    en.wikipedia.org/wiki/Escalator

    The track system is built into the truss to guide the step chain, which continuously pulls the steps from the bottom platform and back to the top in an endless loop. One track guides the front wheels of the steps (called the step-wheel track) and another guides the back wheels of the steps (called the trailer-wheel track).