An automobile monitoring system to monitor user body characteristics includes at least one sensor to monitor at least one user body characteristic. The optical signal is then converted back into an electrical signal again by an opto-electrical converter. A sort-information saving section generates text sort information according to the score obtained from a sorting engine, and stores it in a mail-management-information storage section. The compressible material of the strips protrudes between adjacent clipper hooks to prevent corrugated paper board being manufactured using the corrugator belt from firmly contacting the clipper hooks and being marked and otherwise damaged by them.