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