In mounting a combined oil control ring in a ring groove formed in a piston, the combined oil control ring is mounted in a form that an opening between but ends of an oil ring body is widened. The system and method generates transactional process control information and formats the transactional process control information based on an extensible markup language input schema to form formatted transactional process control information. The bag is formed of at least two layers of parallel tubes that give each layer the pleated look of a typical air mattress. The stimulation portion of the probe may be implanted in contact with a predetermined brain region.