Examlex
In the early 1950s the two new factors that stimulated our economy were ___________ and ___________.
Tractor Protection Valve
A safety device in air-braked vehicles that preserves air for the tractor in case of a trailer brake system failure.
Low Air Pressure
A condition where there is an insufficient amount of air within a pneumatic system or tire, which can affect performance.
Psi
Psi stands for pounds per square inch, a unit of pressure used to measure the force exerted per unit area.
Dryer Purge Valve
A component of a vehicle's air brake system, specifically in the air dryer, that releases moisture and contaminants to prevent them from entering the brake system.
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