An integrated semiconductor circuit has a transistor of the NMOS type that is disposed in a well of a p conductivity type in a substrate of the p conductivity type. A preview pane is displayed in a single window and includes preview controls including a file timeline indicator configured to graphically depict a length of a selected input file. The jukebox system may also act as a monitoringmanagement device for other coin operated equipment present in a location where the jukebox is located, thereby enabling the jukebox device to perform updates on other equipment under control of the central server. The suspensions are obtained by exposing the surfactants to air or a gas before or after admixing with an aqueous phase.