The reaction chamber preferably has {TAIL ~ a multiplicity} of ports, so that depending upon the particular stream, {HEAD ~ its BTU value}, and other parameters, the appropriately spaced ports are selected as injection ports 
The reaction chamber preferably has { TAIL ~ a multiplicity } of ports , so that depending upon the particular stream , { HEAD ~ its BTU value } , and other parameters , the appropriately spaced ports are selected as injection ports
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH