wherein {HEAD ~ the filmy graphite} has {TAIL ~ an electrical conductivity} of 16,000 S/cm or more 
has
wherein { HEAD ~ the filmy graphite } has { TAIL ~ an electrical conductivity } of 16,000 S / cm or more
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH