An upright vacuum cleaner is provided. The method includes the steps of forming a first gate electrode overlying the first N-type region and a second gate electrode overlying the second P-type region. Another technique involves determining whether a scale band is located between two other bands and has energy less than that of its neighboring bands. The software tool includes a plurality of components allowing for greater scalability and operability across various computer systems and accounting programs. The decision unit makes a decision as to whether the vehicle is in the delivery mode.