Moving the shifter automatically actuates the electrohydraulic clutch. The board then actuates the solenoid which is provided with air from the LPR. The pilot actuates a burner by opening a propane valve, known as a blast valve. One rocker follows the cam profile, while the other actuates the valve. In this type of device, the trigger actuates a positive displacement pump shaft. As the tank water level drops, the float descends and actuates the fill valve. The pressure in the chamber actuates the valves at both the suction and discharge points. A small, ambidextrous switch on the frame actuates a trigger block safety. A captive guide recoil spring with buffer actuates the bolt. The barrel continues to the rear on its own momentum, and actuates the operating mechanism. If sufficiently shocked, the cage will spring open which actuates an associated switch. MorePhone actuates its body to notify users upon receiving a phone call or message. They have no nature; an existence receives its nature from the essence it actuates.