A tape can comprise a dielectric film that has a pattern of electrically conductive areas adhering thereto. The driving control unit supplies current pulses to the solenoid and changes a pulse interval of the current pulses. The annular wall has a central opening arranged coaxial to the axis of rotation into which the conveyor screw discharges in order to feed the working chamber with feed material. A pressing member is provided in the refill body in a movable manner to press the sheet-type connected staples. The cover structure additionally comprises a ground contacting skirt 530 and a floor panel 617 so that the vehicle can be comfortably driven even in adverse weather with the cover structure closed and, particularly in fine weather, the vehicle also can be driven with the cover structure opened. Luminescent devices incorporating the composite materials are also disclosed.