When a request to stop an operation of a fuel cell system is issued, a control unit stops the operation of the fuel cell system and cuts off the electrical connection between the fuel cell and a drive motor by shutting OFF a power supply relay. The bracket can be embedded into or encapsulated by an adhesive that is bonded to the tooth. Each picture file includes picture data, information on a location in which the picture data was created, and information on a direction of a captured image of a subject included in the picture data. These mutant mycobacteria are useful as immunotherapteutic agents and vaccines for the treatment of a range of disorders, including tuberculosis. The disclosed systems and methods can be used to provide a regional sludge treatment service.