As {HEAD ~ the gas} enters {TAIL ~ the tip} 5 it assumes the nonaxisymmetric shape of the tip 5 to provide a nonaxisymmetric gas planar like velocity profile exiting the exit port 9 
enters
As { HEAD ~ the gas } enters { TAIL ~ the tip } 5 it assumes the nonaxisymmetric shape of the tip 5 to provide a nonaxisymmetric gas planar like velocity profile exiting the exit port 9
OTH 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