A fuel cell system includes a fuel cell stack, a DC-to-DC converter and at least one capacitor. The compositions include degreasing penetrant, anionic surfactant, and optionally, an amphoteric surfactant to provide foaming characteristics. Methods of treatment of such disorders and well as packaged pharmaceutical compositions are also provided. The hub, having direct line-of-sight to the production stages, can easily monitor the manufacturing process. Some contact areas are circular, quadrilateral, or irregular, and defined in terms of vertex points, center, radius, or bitmaps, using one or more touch locations, previously specified values, offsets from touch locations, tracings, averages, or weighted averages. The first and second pairs are compared upon a data record being updated in either database to determine whether a synchronization conflict has occurred and a corresponding synchronization operation is executed.