A semiconductor device is disclosed. The spool is configured to either wind or unwind a cable for wrapping around an object. An apparatus for producing a localised concentration of energy comprises a non-gaseous medium having therein a pocket of gas. The use of such a check valve may also be employed with a hydraulic system having a priority valve for diverting a portion of the fluid flow to the second application when the pressure upstream of the first application is elevated above a threshold value. Then, the folded center seat is caused to move on a floor forward in the vehicle, and is housed into a center seat-housing portion in a console box. The validation module determines acceptable and non-acceptable valuable documents, and the storage module stores acceptable valuable documents.