Preferably, {HEAD ~ the method} uses {TAIL ~ an adaptive filter} to determine the location of the fault 
uses
Preferably , { HEAD ~ the method } uses { TAIL ~ an adaptive filter } to determine the location of the fault
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH