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