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