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