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