{HEAD ~ This invention} relates to {TAIL ~ a method} of detecting faults on an electrical power line and a sensor for use in such a method 
{ HEAD ~ This invention } relates to { TAIL ~ a method } of detecting faults on an electrical power line and a sensor for use in such a method
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH