A female coupler portion includes first and second vertical ribs arranged in a spaced-apart relationship. The CNM maintains a mapping among a plurality of items in a plurality of databases or tables. The stage includes a mask on which the first electron beam is radiated. The barrier layer may be disposed between the bulk metal and the dielectric layer. , a glycosyl hydrolase, a cellulase, an endoglucanase, a cellobiohydrolase, a beta-glucosidase, a xylanase, a mannanse, a xylosidase andor an arabinofuranosidase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. When an electric power converting circuit is a single- or multi-phase bridge circuit including a plurality of sets of legs each formed with a positive-side arm and a negative-side arm, the switching elements constituting the legs of different phases are arranged in a row on the fin base in a traveling direction of a railway electric car.