The foregoing permits the use of low resolution optical emission spectrometers to identify and quantitate elements, contaminants, and additives of {TAIL ~ interest} in {HEAD ~ fluid samples} 
The foregoing permits the use of low resolution optical emission spectrometers to identify and quantitate elements , contaminants , and additives of { TAIL ~ interest } in { HEAD ~ fluid samples }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD