Valve

The air compressor has a pressure relief valve for safety.

The pilot adjusted the valve to control the airspeed during the flight.

The pilot operated the valve to control the airflow into the aircraft's engine.

The snail's shell had a tiny valve that allowed it to control the amount of water inside.

The pilot adjusted the valve to regulate the airflow in the aircraft's cabin.

The pilot adjusted the fuel valve to increase the flow of gasoline to the aircraft's engine.

The pilot opened the valve to release fuel from the aircraft's wing tank.

The pilot checked the fuel valve before takeoff.

The pilot carefully operated the valve to control the fuel flow in the aircraft's engine.

The pilot adjusted the valve to control the fuel flow in the aircraft.