{TAIL ~ The overall results} of the reactions of elements oxidation and reduction consist in the production of {HEAD ~ CO} containing gas and evolving heat 
{ TAIL ~ The overall results } of the reactions of elements oxidation and reduction consist in the production of { HEAD ~ CO } containing gas and evolving heat
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH