Large-scale table data stored in a shared memory are sorted by a plurality of processors in parallel. This connection is detachable by a relative rotation between the knife and the knife carrier. 8 dLg, and is not higher than 4. The plug is connected electrically with the first magnetic layer. Each expert in the expert list is ranked based on criteria associated with the result set to produce a ranked expert list. On the processing tray, the sheets are post-processed, forming a bundle.