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