A mop head having a sculpted cutout in at least one side surface that corresponds to the shape of floor molding to allow for cleaning of the floor molding and floor together. A display area is provided for displaying at least a portion of an information page, wherein the information page includes at least an information column, and the information column is composed of a plurality of information units arranged along an arrangement direction. The sacrificial oxide layers are patterned and additionally isotropically etched to form an expanded capacitor hole.