A cooling apparatus for a wafer baking plate is provided. The method also includes offering the player at least one advantage option, the at least one advantage option affecting at least one of the at least one attribute of the representation associated with the player and the at least one attribute of the representation associated with the opponent. Alternatively, an overcurrent flow may be generated from a peripheral device and detected by an overflow current detector on the USB. A column tip end stepped portion 47b and a disk placement face 36a of the turntable 36 are precisely constructed in predetermined dimensions. When this device is used the amount of energy obtained from the diesel is greatly increased. A method of distributing gas and liquid during an upflow filtration mode is also included.