A method and apparatus for incinerating a medical waste material. In one aspect of the invention, a novel polyethylene glycol crosslinking agent is described for crosslinking hyaluronic acid. By lowering the ADC’s resolution for standby mode communication, it can conserve a considerable amount of power associated with the operation of the higher resolution bits. During an initial stage of turning in which a lateral acceleration is smaller than a turn initial stage determining value, the rear wheel drive force difference setting gain is set to A, which is larger than 1 and increases as the lateral acceleration decreases. If normal, a state holding circuit holds outputs of the parity checking circuit as a state signal. The method comprises detecting a memory access transaction, determining a retention value based on the type of memory access transaction, and storing the retention value in an entry associated with the memory access transaction.