Briefly, {TAIL ~ the invention} is in the field of decomposing {HEAD ~ halogenated organic compounds} 
Briefly , { TAIL ~ the invention } is in the field of decomposing { HEAD ~ halogenated organic compounds }
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD