{HEAD ~ The resulting, pleated secondary blade} cannot move beyond an acute angle with respect to {TAIL ~ the main blade} because the travel of the shorter LES is limited 
{ HEAD ~ The resulting , pleated secondary blade } can not move beyond an acute angle with respect to { TAIL ~ the main blade } because the travel of the shorter LES is limited
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH