The electrical path through {TAIL ~ any given nonconductive region} is typically on the order of 100 angstroms in length, providing a resistance of on the order of {HEAD ~ 100 mΩ} across the region 
The electrical path through { TAIL ~ any given nonconductive region } is typically on the order of 100 angstroms in length , providing a resistance of on the order of { HEAD ~ 100 mΩ } across the region
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH