A series of foils with air or gas injection at their tips are arranged in rows that project outward from the forward submerged section of a ship, boat or submerged hull section. The first frame is engaged with the hubs so as to be axially movable relative to the lower frame and the hubs. The present invention also relates to compositions comprising an effective amount of an XET for improving one or more properties of a dough andor a baked product obtained from the dough. Inserters, both disposable and reusable, include the cannula insertion member as part of the assembly. The stacked package module of this invention has characters of compact size, high performance, high flexibility, and detachability. Before the control unit changes to the program data acceptance state, the control unit checks whether program data acceptance conditions prescribed for the control unit exist.