The non-volatile memory system includes a non-volatile memory and a controller. An anti-siphon valve includes an air inlet for introducing water into said vessel and an inlet valve is provided for admitting water to the anti-siphon valve. The reader portion is detachably installed in a receptacle of the scanner portion for receiving a storage medium with stored data therein, wherein the reader portion has a first connector and a second connector thereon. The second positioning element is simultaneously rotated with the pintle and has a rear surface corresponding to the front surface of the first positioning element and a rib formed diametrically on the rear surface. A controller is operatively arranged to control the actuator such that an increase in a rate of change of the braking force with respect to the braking operation by the driver is suppressed upon determining that vehicle cabin background noise is equal to or below a prescribed threshold value. A gastrointestinal tool is shaped to define a bore therethrough, and the guiding element is adapted to pass through the bore.