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