A decomposition method for effectively decomposing PFC at a low temperature and in safety by use of a chemically and intensively more stable reactant, a reactant for use therein and a decomposition apparatus therefor are provided. The protected site operates an event data collector coupled to sensors that when activated, produce event data. First and second mounting bosses on which the fuel pump can be mounted are formed on the right side face and the front end face of the auxiliary fuel tank. When the float reverses and begins to rise again, the down clutch disengages and the up clutch reengages. The method includes measuring a moment of a foot; measuring a tilt of a torso; adjusting the scale of the measured moment based on the tilt of the torso, and controlling the foot based on the scale-adjusted moment; and adjusting the scale of the measured tilt based on a ZMP variation amount of the foot, and controlling the tilt of the torso based on the scale-adjusted ZMP variation amount. The device also may comprise at least one non-conductive material positioned between at least a portion of the hydrogen-containing compound and the cathode so that the colliding of the at least one H+ ion and the at least one electron occurs within the non-conductive material.