The present invention relates to a new composition and methods for preventing the transmission of enterohemorrhagic E. The output port is configured to output an adjusting signal. Matching processing with the plurality of extracted model images is executed on measurement images actually obtained by a visual sensor, so that trial results are obtained. Furthermore, the improved voltage reduction circuit and method includes a back bias voltage control circuit that turns on and regulates the back bias voltage and avoids the problem of reverse bias conditions. Updates to the subscribed resources may then be provided to the user device in response to a request for updates that specifies the session identifier but that may not specify the particular subscribed resources. After, an upshifting point of the selected mode is set, a speed ratio is set according to the upshifting point of the selected mode and outputting a corresponding control signal to a drive unit.