A playback device for updating a character string in synchronization with a moving image displays a gradation character using an available index in a color lookup table. The protective tape is cut to the shape of the wafer by a cutter unit. A pneumatic lift raises and lowers the carriage and crawler. The former provides an additional energy-angle depending filtering, and obtains a smaller effective energy spread. The first chamber may include various cap means through which the mixed substances may be poured out, including screw, spouted, snap-fitted, and plug-types. Following the hard strip, the catalyst is optionally re-optimized.