Disclosed is a men’s brief adapted to support wearer’s scrota and a phallus separately from each other and to prevent the phallus from coming into contact with a skin on the scrota or a groin area. One circuit includes a current divider to divide a current from a current source into a first current and a reference current. Certain embodiments utilize adjacent chambers or subchambers divided by a rupture region such as a frangible seal. The corrective action includes refining the incremental calculations to obtain additional precision andor aborting the incremental calculations when the resulting numbers are sufficient. The mixing duct has an interior, and a baffle on the interior of the mixing duct is configured to prevent the mixed flow streams from exiting the mixing duct. There is a fixing member for pressing the belt transfer body to the cleaning member.