An apparatus and method of selectively over-sampling image data, anti-aliasing of polygons that produces quality images comparing favorably to full over-sampling techniques while requiring less computation than full over-sampling techniques. A tip seal is mounted only on a spiral tooth of an orbiting scroll and a fixed scroll of one of the expansion mechanism or the auxiliary compression mechanism. The second communication unit establishes communication with the mobile terminal based on the setting information received by the first communication unit, and communicates the substantial information to the mobile terminal. If a very low level of non-aqueous phase in the effluent is required, for example to meet potable water standards, then a Kozlowski polyurethane, as described in U. In this way, a copy of the contents of each of the input signals propagates along each of the output rows to an output cell.