A process of designing a high frequency circuit in multiple domains, such as prototype and production domains, is described. In particular, provided are a method and apparatus for displaying images using a duplex thumbnail mode in which images larger than thumbnail images are created when photographing images to display a larger image together with a corresponding activated thumbnail image whenever the thumbnail image is activated. A favorites list or playlist is created by a content server and used to provide a listing for types of audio programs in an order of preference of the user. The contact assembly includes a plurality of contacts disposed to contact a peripheral edge of the surface of the workpiece to provide electroplating power to the surface of the workpiece. The acidic aqueous solution may be acetic acid. Thus, the storage controller offloads the burden of error recovery from the backup applications.