Computerized characterization of cardiac wall motion is provided. The radius track is defined by a female or concave portion formed on the monoblock attached to the shotgun barrels, and a male or convex portion formed on the frame or receiver section. The method includes ejecting droplets of the ink compositions from the heads onto the recording medium, and performing a first irradiation by irradiating the droplets of each ink composition with the active radiation from the corresponding first light source at an irradiation energy within 500 ms after the droplets have landed. The pressure of the first supply stream is preferably reduced prior to treatment and the nanofiltration membrane system may be housed in a pressure vessel rated for use with a reverse osmosis membrane system. The rear elastic area is broader than the front elastic area with respect to the longitudinal direction of the diaper body. When a reproduction target is switched to a second video stream that corresponds to a second bit rate during the reproduction of a first video stream that corresponds to a first bit rate, the reproduction unit continues to reproduce a chunk of the first video stream that is being reproduced.