{HEAD ~ The lower jaw} is attached near its inner end on its backside to the dipper stick by {TAIL ~ a linkage} for operative pivotal movement of the upper jaw relative to the lower jaw 
is attached by
{ HEAD ~ The lower jaw } is attached near its inner end on its backside to the dipper stick by { TAIL ~ a linkage } for operative pivotal movement of the upper jaw relative to the lower jaw
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH