When glossiness in an area designated by a user was adjusted, the glossiness adjustment was achieved by exchanging a plurality of toners having different glass transition points. The temperature-sensitive label has a container provided with means for the application on an item to be monitored and housing a temperature-sensitive system made up of a filiform shape memory member. A fluid discharge conduit is in fluid communication with the annular space for discharging the drilling fluid to a reservoir. Finally, advertisements are exchanged between the first and second reachability information sessions and the third reachability information session such that the first and second control device appear to the external routing device to be a single device. Such heat exchange of the CPU provides the computer with D.