The carbon nanotube film is stretched along a second direction substantially perpendicular with {HEAD ~ the first direction} to form {TAIL ~ a deformation} along the second direction 
to form
The carbon nanotube film is stretched along a second direction substantially perpendicular with { HEAD ~ the first direction } to form { TAIL ~ a deformation } along the second direction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH