In prior art methods, such resistances may ruin the favorable influence of {HEAD ~ the high conductivity} of copper or {TAIL ~ silver} 
of
In prior art methods , such resistances may ruin the favorable influence of { HEAD ~ the high conductivity } of copper or { TAIL ~ silver }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL