Specifically, {HEAD ~ the end} 31 of {TAIL ~ the prop} 21 is pivotally connected to the link 32 which, in turn, is pivotally connected to the bracket 33 
of
Specifically , { HEAD ~ the end } 31 of { TAIL ~ the prop } 21 is pivotally connected to the link 32 which , in turn , is pivotally connected to the bracket 33
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH