As a result, for example, the operator may be able to identify or predict effects of such changes, so as to improve {HEAD ~ a future operation} of {TAIL ~ an associated densitometer}  
As a result , for example , the operator may be able to identify or predict effects of such changes , so as to improve { HEAD ~ a future operation } of { TAIL ~ an associated densitometer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH