A thermosetting resin material is provided with: a thermosetting resin having a dihydrobenzoxazine ring; and a condensed polycyclic aromatic hydrocarbon resin is described. The internal of the valve body has a water inlet chamber and a water outlet chamber. The method further includes maintaining the molecules of the injected carbon-bearing material and any reaction products in contact with the reactant liquid for a period of time sufficient to liberate carbon atoms from the carbon-bearing material or reaction products from that material, and place the liberated carbon atoms in an excited state.