{HEAD ~ The formation} of the gas can affect the precipitation of silver from {TAIL ~ the solution} and also detracts from the overall efficiency of treating the fixer solution 
{ HEAD ~ The formation } of the gas can affect the precipitation of silver from { TAIL ~ the solution } and also detracts from the overall efficiency of treating the fixer solution
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH