Furthermore, {HEAD ~ the guide sleeve} 116 travels through the trench guide 118 while {TAIL ~ the trench guide} 118 is rigidly connected to the hopper fore end wall 130 
Furthermore , { HEAD ~ the guide sleeve } 116 travels through the trench guide 118 while { TAIL ~ the trench guide } 118 is rigidly connected to the hopper fore end wall 130
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH