It is an object of the present invention to prevent the viewer’s operation to skip advertisement playback and increase the advertising effects. When contention occurs between the refresh request signal FAY and an externally applied read or write command, a row selection related circuitcommand generation related circuit controls a row related control signal so that a refresh operation is carried out after, for example, the read or write operation ends. The stretchable nonwoven fabric is bonded in the stretched state to the non-stretchable sheet. From the imaging station, the mail is conveyed to a buffer, which selectively maintains the mail while the address printed on the mail is determined. The apparatus additionally includes a force sensor for measuring resistive force encountered by the motor as each pulling finger pulls the plant stalk.