{HEAD ~ The upper jaw} is pivotally attached near its inner end on {TAIL ~ its backside} to the end of a dipper stick and a double action actuator or cylinder for operative pivotal movement of the upper jaw relative to the dipper stick 
is pivotally attached on
{ HEAD ~ The upper jaw } is pivotally attached near its inner end on { TAIL ~ its backside } to the end of a dipper stick and a double action actuator or cylinder for operative pivotal movement of the upper jaw relative to the dipper stick
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH