According to one embodiment, a catalyst layer of an electrode for a fuel cell has a proton conductive inorganic oxide containing an oxide superacid compound. The hole has first and second opening portions. The vertical planar surface and the horizontal planar surface are adhered to a sidewalk or pavement that borders a flower bed or garden. A method of manufacture of such a fuel assembly is also disclosed. The shaving head is adapted to move the manipulator to and fro. The search information is classified into predetermined categories and managed.