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