wherein {HEAD ~ a plurality} of expanding ranges are set for {TAIL ~ said target conductivity}, each with a corresponding increased modifying value to said target conductivity 
are set for
wherein { HEAD ~ a plurality } of expanding ranges are set for { TAIL ~ said target conductivity } , each with a corresponding increased modifying value to said target conductivity
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH