In a manner similar to that previously described the retainer ring holding plate 82 secures {TAIL ~ the down stream end} of removable wear plates 84 to {HEAD ~ the inside} of the chamber 
In a manner similar to that previously described the retainer ring holding plate 82 secures { TAIL ~ the down stream end } of removable wear plates 84 to { HEAD ~ the inside } of the chamber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH