FIG 2 illustrates {TAIL ~ the biochemical steps} involved with {HEAD ~ the conversion} of TCE to carbon dioxide 
FIG 2 illustrates { TAIL ~ the biochemical steps } involved with { HEAD ~ the conversion } of TCE to carbon dioxide
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH