The present invention is directed to an age-stabilized andor strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the age-stabilizing agent is a molecular sieve having a pore size of 13 angstroms or less. When the first product has passed the beam, the second product starts to be irradiated in the second beam. Each subband group may be assigned to a different terminal for uplink pilot transmission. The debt instrument is backed by a market value of the asset. In heating the food material, the inner electrode is relatively rotated relative to the container body.