An electron beam to be irradiated onto a sample is two-dimensionally scanned by a scanning coil, and secondary electrons generated from the sample by the scanning are detected by a secondary electron detector. The method involves imparting energy to the surface of the slurry as the slurry is dewatered just prior to rehydration. , for an internal combustion engine, reduces exhaust or other gas noise while maintaining a low backpressure to prevent engine power loss. The set of selectable view mode icons enable a user to select different subsets of resources from the corresponding group of resources in the first region for viewing in a table. Examples of the adjusting member include a spacer disposed under the light source, a recessed portion provided in a molded case, a positioning guide made by extending a reflective panel, and another positioning guide formed integrally with the light guide bar. In some cases, errors in the Instruction Cache RAM andor Operand Cache RAM are detected and recovered from without any required interaction of an operating system of the data processing system.