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