The precipitate is isolated from the fixer solution to remove silver thereby and hence enable {HEAD ~ recycling} of {TAIL ~ the fixer solution} 
of
The precipitate is isolated from the fixer solution to remove silver thereby and hence enable { HEAD ~ recycling } of { TAIL ~ the fixer solution }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL