A vehicle track includes an endless belt. After the scanning, the method performs optical character recognition on the rasterized data to search for text corresponding to the previously printed monochromatic document. 25 ccm2hr and is not higher than 50 ccm2hr. The length of the reciprocating path is dynamically adjusted during the exercise operation without equipment adjustments by changes in the length of the stride input by the user at a pair of foot engagement pads disposed on laterally spaced apart foot support members. At the time of inputting a chord, in the step S2, the pitch names of a plurality of respective musical notes constituting one chord are successively input through a voice. A first, cylindrically-shaped housing member has a hollow interior in which one of the substrates is retained, a first end sealingly connected with the inlet end cap, and an opposite second end with a radially reduced section.