{HEAD ~ Any change} in the impedance of the power line may be detected in {TAIL ~ a relatively straightforward manner} and certain faults that may cause as little as 5% change in the impedance of the line may be detected and rectified by the electricity supplier 
detected in
{ HEAD ~ Any change } in the impedance of the power line may be detected in { TAIL ~ a relatively straightforward manner } and certain faults that may cause as little as 5 % change in the impedance of the line may be detected and rectified by the electricity supplier
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH