{HEAD ~ The capacitance} of {TAIL ~ the insulation portions} is made smaller than e2 /kB 
of
{ HEAD ~ The capacitance } of { TAIL ~ the insulation portions } is made smaller than e2 /kB
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH