Apparatus, and an associated method, for facilitating communications in a radio communication system that utilizes shared, packet channels. The energy train comprises a moderator to reduce the speed of propagation of a detonation in a direction parallel to the axis of the perforation tool assembly. The bottom comprises openings, and projections extend through the openings in the bottom of the media tray. The storage phosphor screen is again exposed to a second stimulating radiation from the first side of the screen to release a second stimulated radiation in the pattern of the stored image. Also, the male sealing element defines a fluid passageway therethrough for the transmission of fluid.