A load information acquiring unit sets load information based on the history that is acquired by a process history acquiring unit. The center section forms a pair of inletoutlet passages communicating an end with the inlet and outlet ports of the hydraulic pump and an end opening through a pump case abutting surface of the center section, and a first charging passage by which hydraulic fluid is fed through the pump case abutting surface of the center section. The game apparatus receives, from the other game apparatus, most-recently-used app ID information that identifies an application executed by the other game apparatus. Each communication frame that is transmitted through the network contains identification data indicative of its type and each repeater unit serves to repeat certain types of received frames only in the upstream direction. The antimicrobial agent provides protection to the paper from fungi, mildew and bacteria that could otherwise destroy the paper or be harmful to the user thereof.