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