{TAIL ~ A plurality} of baffles within {HEAD ~ the vessel} slow the effluent so that solids settle out to a drain which is periodically opened to transfer the solids to an appropriate disposal 
{ TAIL ~ A plurality } of baffles within { HEAD ~ the vessel } slow the effluent so that solids settle out to a drain which is periodically opened to transfer the solids to an appropriate disposal
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH