A cellular mobile radio network includes base stations, a packet control unit capable of communicating with a radio terminal via two or more base stations, and routing means for routing data between a remote unit and the packet control unit. The bearing housing has a plurality of cooling ribs, whose exterior is covered with a material having a low heat conductivity. Terms comprising one or more linguistic roles are identified. The normalized image is then standardized by matching the pixels of the normalized image to selected shade standards.