A squirting toy is comprised of a cylindrical housing and a piston that slides within to force water into or out of the housing via a hole therein. The inflator will have a longitudinal axis, a first chamber, and a filter. A control unit that is connected to the detector for the purpose of evaluating a position of the reflected light beam determines a possible deposition error by comparing the position with one of a wafer deposited with its entire surface on the hot or cool plate. The IPS-LCD includes a storage capacitor consisting of storage-capacitor portions of the common and data electrode structures, which is disposed outside the pixel region so as to enhance the aperture ratio of the pixel region. For example, a semiconductor wafer substrate can be rotated during electroplating slower or faster, when the selected portion of the substrate passes through the shielded area.