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