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