The captain reduced thrust on the engine, engaged the autopilot after three attempts, and closed the hydraulic circuit.

It has pumps, complex hydraulic circuits, pressure switches and temperamental electronics.

Modern cars use different hydraulic circuits to actuate the brakes on each set of wheels as a safety measure.

The hydraulic circuit powers the actuators which then move the control surfaces.

The path taken by hydraulic fluid is called a hydraulic circuit of which there are several types.

The control valve is one of the most expensive and sensitive parts of a hydraulic circuit.

The dam supports an underground power station and hydraulic circuit.

The hydraulic circuit is replaced by an electrical power circuit.

The aircraft uses two hydraulic circuits: main and emergency.