The leftmost weir does, however, to differentiate {TAIL ~ the different air receivers} below {HEAD ~ the fluidizing plate} 
The leftmost weir does , however , to differentiate { TAIL ~ the different air receivers } below { HEAD ~ the fluidizing plate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD