This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising silver halide grains having associated therewith at least two dyes:. The system further includes a gap-filling member positioned in the gap separating the adjacent first and second curtain wall members, the gap filling member comprising one or more vents. Such control thus ensures a smooth compression stroke at the subsequent start of the engine. Complete gas well de-liquefying is attained by flowing gas recovery through enlarged expandable liner and sand screened wellbores and up the wellbore annulus dry, while producing all liquids separately through the larger outer diameter liquid displacer into the production tubing, to be artificial lifted to surface, while waterdrive pressure augments natural gas recovery. The piezoelectric ceramic transformer can be used in high voltage power sources, and back-light sources of liquid crystal display to drive cold cathode florescent lamps. The plurality of fan blades extend substantially perpendicular to the plurality of compressor blades such that the plurality of compressor blade portions extend at least partially into the core duct and preferably will include splitters for enhanced efficiency.