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2. Wheelchair ramp - Wikipedia

   en.wikipedia.org/wiki/Wheelchair_ramp

   A concrete wheelchair ramp A portable 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 ...

3. Wheelchair accessible van - Wikipedia

   en.wikipedia.org/wiki/Wheelchair_accessible_van

   Fold-up ramps fold in half and stow upright next to the side passenger door in a side-entry configuration or inside the rear access doors in a rear-entry configuration. Fold-up ramps present a lower ramp angle than in-floor ramps; however, in side-entry configurations, they are in the way of the passenger entrance when stowed.

4. Wheelchair lift - Wikipedia

   en.wikipedia.org/wiki/Wheelchair_lift

   A wheelchair lift in the front door of a TriMet bus in Portland, Oregon, in 2010 A bus in Prague with wheelchair lift extended, 2006. A wheelchair lift, also known as a platform lift, or vertical platform lift, is a fully powered device designed to raise a wheelchair and its occupant in order to overcome a step or similar vertical barrier.

5. Bridge plate (mechanism) - Wikipedia

   en.wikipedia.org/wiki/Bridge_plate_(mechanism)

   The bridge plate extends from the vehicle to the platform, which must be raised to close to the level of the floor of the vehicle so that the wheelchair need not travel over an excessively steep ramp (in the United States, the Americans with Disabilities Act specifies that the slope must be no more than 1 inch of rise for every 12 inches of ...

6. Stair lift - Wikipedia

   en.wikipedia.org/wiki/Stair_lift

   The rails are, necessarily, of heavy construction to support the load and the drive system is usually accommodated within a tubular section rail or aluminum extrusion. Some models have steel cables inside the tube, others have chains; yet others may use a rack and pinion system. Many wheelchair platform stairlifts are designed and built to order.

7. Evacuation slide - Wikipedia

   en.wikipedia.org/wiki/Evacuation_slide

   Evacuation slide used in an emergency drill. An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would be unable to step down from the door uninjured (Federal Aviation Administration requires slides on all ...

8. Ramp travel index - Wikipedia

   en.wikipedia.org/wiki/Ramp_travel_index

   Ramp travel index or RTI, is a way of measuring a vehicle's ability to flex its suspension, a property also known as axle articulation. The RTI rating is used mainly in the off-roading industry to test and describe chassis limits of modified vehicles. The ramps vary between 15 and 30 degrees of angle for the vehicle to ride up.

9. Rotary vacuum-drum filter - Wikipedia

   en.wikipedia.org/wiki/Rotary_vacuum-drum_filter

   The inside of the drum is held lower than the ambient pressure. As the drum rotates through the slurry, the liquid is sucked through the membrane, leaving solids to cake on the membrane surface while the drum is submerged. A knife or blade is positioned to scrape the product from the surface. [1]