The treatment in accordance with the system starts with {TAIL ~ biologic and enzymatic treatment} of {HEAD ~ the materials} in the waste water stream 
The treatment in accordance with the system starts with { TAIL ~ biologic and enzymatic treatment } of { HEAD ~ the materials } in the waste water stream
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH