A fuel cell system for use in transportation equipment, for example, can determine an abnormality in its fuel supply device without additional detectors being provided for abnormality detection. The collapsible bed system may be moved between a stowed state and a deployed state. The basic metal oxide solution has N-type characteristics. The three syrup flow path solenoids are positioned in the corresponding syrup flow paths, and the water flow path solenoid is positioned in the water flow path, within the valve body. Moreover, the disclosed systems and methods may include receiving the meta-data in the property panel and copying the meta-data from the property panel to the document content.