Furthermore, {TAIL ~ particulate contamination} does not result solely from {HEAD ~ the acid cleaning process} and post processing steps 
Furthermore , { TAIL ~ particulate contamination } does not result solely from { HEAD ~ the acid cleaning process } and post processing steps
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH