{TAIL ~ The lubricating compositions} of the present invention comprise a major amount of {HEAD ~ an oil} of lubricating viscosity and a minor amount of the silver protective synergistic combination of the present invention 
{ TAIL ~ The lubricating compositions } of the present invention comprise a major amount of { HEAD ~ an oil } of lubricating viscosity and a minor amount of the silver protective synergistic combination of the present invention
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH