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