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What is test validity? How are selection tests validated?
Reversible DC Electric Motors
Special types of DC motors that can change the direction of their rotation due to the reversal of current flow, allowing both clockwise and counterclockwise operation.
Solenoids
Electromagnetic actuators that convert electrical energy into mechanical action, commonly used in valves and relays to control fluid or air movement.
Instrument Panel Illumination
The lighting system that enables the visibility of gauges, indicators, and controls on a vehicle's dashboard.
Master Switch
A principal electrical switch that controls the power to multiple circuits or a large part of an electrical system.
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