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