The cosmetic unit has two partial units, each comprising a receptacle for receiving a cosmetic substance and a closure cap by means of which the receptacle is closable. In an embodiment, an erase head module for erasing data storage tape comprises a set of erase gaps and one or more servo read elements. The computer reconstructs the original directory structure and file names based on the directory information file and then prints out the image data of the image files in accordance with the print order file. The RevBot can also be used to facilitate E-commerce and data rights management at the websites.