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2. Gladhand connector - Wikipedia

   en.wikipedia.org/wiki/Gladhand_connector

   A pair of gladhand connectors between railroad cars A gladhand connector on a trailer. A gladhand connector or gladhand coupler is an interlocking hose coupling fitted to hoses supplying pressurized air from a tractor unit to air brakes on a semi-trailer, [1] or from a locomotive to railway air brakes on railroad cars. [2]

3. Curtiss Aerocar - Wikipedia

   en.wikipedia.org/wiki/Curtiss_Aerocar

   The Curtiss Aerocar is the first-known production travel trailer built in the US and the first-known production travel trailer in the world to use a fifth wheel coupling. [ 1 ] [ 5 ] The Curtiss Aerocar was designed on aircraft principles [ 6 ] using lightweight materials and aerodynamic styling.

4. Rubber-tyred metro - Wikipedia

   en.wikipedia.org/wiki/Rubber-tyred_metro

   A rubber-tyred metro or rubber-tired metro is a form of rapid transit system that uses a mix of road and rail technology. The vehicles have wheels with rubber tires that run on a roll way inside guide bars for traction. Traditional, flanged steel wheels running on rail tracks provide guidance through switches and act as backup if tyres fail ...

5. Jack (device) - Wikipedia

   en.wikipedia.org/wiki/Jack_(device)

   A scissor jack use the mechanical advantage of a leadscrew and 4-bar linkage to allow a human to lift a vehicle by manual force alone. They are inexpensive and are common in manufacturer-supplied breakdown kits. The jack shown at the left is made for a modern vehicle and the notch fits into a jack-up point [3] on a unibody. Earlier versions ...

6. Tire - Wikipedia

   en.wikipedia.org/wiki/Tire

   Valve stem: Pneumatic tires receive their air through a valve stem—a tube made of metal or rubber, with a check valve, typically a Schrader valve on automobiles and most bicycle tires, or a Presta valve on high-performance bicycles. They mount directly to the rim, in the case of tubeless tires, or are an integral part of the inner tube.

7. Air suspension - Wikipedia

   en.wikipedia.org/wiki/Air_suspension

   This allows the user to tilt the vehicle side-to-side, front-to-back, in some instances "hit a 3-wheel" (contort the vehicle so one wheel lifts up from the ground) or even "hop" the entire vehicle into the air. When a pressure reservoir is present, the flow of air or gas is commonly controlled with pneumatic solenoid valves. This allows the ...