A connector attached bluetooth wireless earphone is set forth. The fuel cap includes a housing sized to fit into the filler neck and a cover coupled to an upper end of the housing. These B cells are useful for the production of monoclonal antibodies used for therapy, diagnostic or research purposes. A method for making a macroscopically manipulable nanoscale devices comprises the steps of providing a nanotube-containing material; preparing a nanotube assembly device having at least one carbon nanotube for attachment; and attaching said nanotube assembly to a surface of a mounting element. The first transmission input shaft is assigned to the first and the second gearwheel steps, and the second transmission input shaft is assigned to the third and the fourth gearwheel steps.