A MOS device includes an active area having first and second contacts. The disclosed method is aimed at maximizing productivity of successful agents by prioritizing call distribution to those agents enjoying a high level of success with respect to a particular call campaign during a particular period of time. The scraper consists of a hand held unit into which the blade is plugged. The system further includes an implantable electronics unit, such as a cardiac rhythm management unit, coupled to the physiological sensor of the heart valve to receive physiological information. After the time T1, the actual reproduction and the prior read reproduction are concurrently performed at a same speed.