an electrically insulating layer on the surface of the carbon nanotube material, whereby {HEAD ~ the distal end} of {TAIL ~ the carbon nanotubes} extend beyond the electrically insulating layer 
an electrically insulating layer on the surface of the carbon nanotube material , whereby { HEAD ~ the distal end } of { TAIL ~ the carbon nanotubes } extend beyond the electrically insulating layer
OTH 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 TAIL TAIL OTH OTH OTH OTH OTH OTH