The separator comprises {HEAD ~ input, intermediate and output chambers} comprising {TAIL ~ divider panels} having top and bottom portions 
comprising
The separator comprises { HEAD ~ input , intermediate and output chambers } comprising { TAIL ~ divider panels } having top and bottom portions
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH