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2. Hovercraft - Wikipedia

   en.wikipedia.org/wiki/Hovercraft

   A hovercraft (pl.: hovercraft [1]), also known as an air-cushion vehicle or ACV, [2] is an amphibious craft capable of travelling over land, water, mud, ice, and various other surfaces. Hovercraft use blowers to produce a large volume of air below the hull , or air cushion, that is slightly above atmospheric pressure .

3. Leaf spring - Wikipedia

   en.wikipedia.org/wiki/Leaf_spring

   A leaf spring is a simple form of spring commonly used for suspension in wheeled vehicles. Originally called a laminated or carriage spring, and sometimes referred to as a semi-elliptical spring, elliptical spring, or cart spring, it is one of the oldest forms of vehicle suspension. A leaf spring is one or more narrow, arc-shaped, thin plates ...

4. Airbag - Wikipedia

   en.wikipedia.org/wiki/Airbag

   An airbag is a vehicle occupant-restraint system using a bag designed to inflate in milliseconds during a collision and then deflate afterwards. [ 1 ] It consists of an airbag cushion, a flexible fabric bag, an inflation module, and an impact sensor. The purpose of the airbag is to provide a vehicle occupant with soft cushioning and restraint ...

5. Air suspension - Wikipedia

   en.wikipedia.org/wiki/Air_suspension

   In 1960, the Borgward P 100 was the first German car with self-levelling air suspension. [26] In 1962, the Mercedes-Benz W112 platform featured an air suspension on the 300SE models. [10] The system used a Bosch main valve with two axle valves on the front and one on the rear. These controlled a cone-shaped air spring on each wheel axle.

6. Glossary of rail transport terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_rail_transport...

   Also Centering spring cylinder. A cylindrical cast-iron holder in which an adjusting string is placed. Adjusting spring seat A casting, or a part of the bolster of a two-wheel trailing truck, forming a bearing for the end of the adjusting spring. Admission The opening of steam port to admit steam to one end of a cylinder. If the valve has no lead, admission takes place at the moment the piston ...

7. 6 cervical traction devices to try for neck pain - AOL

   www.aol.com/news/6-cervical-traction-devices-try...

   An inflatable cervical traction device uses both cushioning and air to provide support and traction to the neck. Hansraj likes these because they’re easy to adjust based on personal preference ...