Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. Process for the reductive dehalogenation of liquid or solid halogenated hydrocarbons. During operation, gases passing through the intake passage dislodge the liquid bead from the bead presentation device and carry the distributed ignition promoting material into the cylinder for distributively igniting therein a mixture containing a gaseous fuel, air and the distributed ignition promoting material. A controller samples the impedance indication signal and determines digital signaling values responsive to changes in the impedance indication signal. Messages are sent from a transmitter to a receiver to inform the receiver of the coding rate implemented at any given point in time. The ends of the open ring are arranged adjacent to a locking portion, adjacent to which locking portion a means is arranged to vary the diameter of the ring and to hold the ends of the ring of the band together.