{HEAD ~ The up stream end} of removable wear plates 84 is connected to the retainer ring 58 by {TAIL ~ means} of another set of retainer ring holding plates 90 as shown in FIG 2 
{ HEAD ~ The up stream end } of removable wear plates 84 is connected to the retainer ring 58 by { TAIL ~ means } of another set of retainer ring holding plates 90 as shown in FIG 2
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH