{HEAD ~ The shaft} 42 is devised as a multi sectional structure and is fastened at {TAIL ~ a center} of the notch 43 
is fastened at
{ HEAD ~ The shaft } 42 is devised as a multi sectional structure and is fastened at { TAIL ~ a center } of the notch 43
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH