Referring to FIGS 2 and 3, {HEAD ~ the gas distribution assembly} 46 is attached to the lid portion 88 in any conventional manner, e.g., by bolting, {TAIL ~ brazing} or the like 
Referring to FIGS 2 and 3 , { HEAD ~ the gas distribution assembly } 46 is attached to the lid portion 88 in any conventional manner , e.g. , by bolting , { TAIL ~ brazing } or the like
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH