The other extremity of {TAIL ~ crank arm} 6 is connected to {HEAD ~ an articulated joint} located in the rear section of blade 2 
The other extremity of { TAIL ~ crank arm } 6 is connected to { HEAD ~ an articulated joint } located in the rear section of blade 2
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH