Moreover, it is preferred that by the method there is effected a treatment of {HEAD ~ the off separated materials} in a water bath in {TAIL ~ one or more steps} 
Moreover , it is preferred that by the method there is effected a treatment of { HEAD ~ the off separated materials } in a water bath in { TAIL ~ one or more steps }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL