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