Responsive to detecting that bandwidth consumption of a packet flow has exceeded a threshold, packet forwarding treatment is changed in accordance with at least one class of packet flow from a first packet forwarding treatment to a second packet forwarding treatment. Glucaric acid, any salt thereof, andor any derivative or metabolized form thereof is provided in therapeutic dosage, before andor after the intake of alcohol. When the print-related value is not stored in the second region, a print instruction is given to a printing apparatus using print setting information including a print-related value stored in the first region at non-storing time. The scene information may be coupled to an image utility subsystem, such as a virtual reality simulator, for generation of a three-dimensional image of the illuminated scene. A sliding-surface generator is coupled to the monitor circuit and generates a single sliding surface for all phases.