A tortilla stack indexer having an exit conveyor which has a exit conveyor motor engagably attached thereto. The folding device which includes a folding table, at least one stop associate with the folding table, a plurality of transfer belts for engaging and transferring printed products onto said folding table to said at least one stop, a pair of rotatably driven folding rolls, a folding blade moveable relative to the folding table. The transverse tube can be locked with the top frame via at least one locking device. Testing is done by signals applied through the interconnections while simultaneously exposing the devices to light through the translucent covers. The data for the visual and audio media content is sent by a central server to a server aboard the vessel, which then transmits the visual media content to the projectors mounted on the vessel, to be displayed on the surroundings, and the audio signal to be transmitted wirelessly to the users of the vessel. The system performs a local search, based on one or more of the search terms, to identify documents associated with the geographic area when the geographic area corresponds to an unambiguous geographic area.