{HEAD ~ The aft end} of the liner 182 is formed with an annular recess 190 closed on {TAIL ~ its radially outer side} by an annular cover plate 192 
{ HEAD ~ The aft end } of the liner 182 is formed with an annular recess 190 closed on { TAIL ~ its radially outer side } by an annular cover plate 192
HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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