In addition, by including a protrusion in {HEAD ~ the first row} of {TAIL ~ pedestals}, turbulence is induced immediately to the flow of gas entering the cavity 
of
In addition , by including a protrusion in { HEAD ~ the first row } of { TAIL ~ pedestals } , turbulence is induced immediately to the flow of gas entering the cavity
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH