{TAIL ~ The fuel} is then combusted in {HEAD ~ the combustion chamber} to produce at least one byproduct including the manganese compound 
{ TAIL ~ The fuel } is then combusted in { HEAD ~ the combustion chamber } to produce at least one byproduct including the manganese compound
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH