A semiconductor circuit includes a first circuit block, a second circuit block, and power wiring lines that supply a plurality of reference potentials. The method may include producing an ammonia-containing gas stream having an ammonia concentration. The text message management program displays a listing of a plurality of received text messages on a display screen and color differentiates at least a portion of the display-listed plurality of received text messages based upon a characteristic common to each received text message. The structure provides for improved electrical performance, including improved fT, Fmax and drive current.