It is possible to control the number of generated codes while retraining deterioration of an image quality by an encoding circuit constituted so as to select any of a first image signal not decreasing information quantity and a second image signal decreasing information quantity in accordance with the accumulated value of the number of codes. It comprises a steering assist assembly and a motor assembly that actuates the steering assist assembly. Further, the electrode, nozzle, and retaining member include mating frustum surfaces, which are configured and dimensioned so that the electrode and nozzle seat within the retaining member with less than one turn of the electrode and nozzle relative to the retaining member. Web page elements, each being connected to a marketing page element item and capable of presenting an associated data item stored in the marketing page element, can be arranged on a web page during the web page’s design, without regard for the manner in which data items are to be selected by the marketing content selection system. The penetrating slit allows the up-and-down movements of the upper and lower punches.