The method 13, wherein the change to the localized environment caused by providing {HEAD ~ the at least one source} of {TAIL ~ pressure differential} includes cooling combustion product gasses by at least 25% compared to the temperature of the energy source relative to the temperature of the surface 
of
The method 13 , wherein the change to the localized environment caused by providing { HEAD ~ the at least one source } of { TAIL ~ pressure differential } includes cooling combustion product gasses by at least 25 % compared to the temperature of the energy source relative to the temperature of the surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH