A cap and cover assembly is for use with a pick up truck having a truck box. In accordance with a drive signal of a power switching element of the switching regulator, a discharge circuit is controlled. Numerical value information acquiring means acquires numerical value information corresponding to a motion of the player. The motion detection mechanism is configured to compare the first video frame with the second video frame. Said compounds can be used advantageously in a preparation suitable for oral care. The nonwoven fabric is formed by jetting a fluid, which consists mainly of gaseous matter, to a fiber web 100 supported from beneath by a predefined breathable support member, from an upper surface side in order to move fibers in the fiber web 100.