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