With such configuration, {HEAD ~ the surface layer} has an excellent lubricating property, leading to a further enhanced seizure resistance of {TAIL ~ the surface layer} 
With such configuration , { HEAD ~ the surface layer } has an excellent lubricating property , leading to a further enhanced seizure resistance of { TAIL ~ the surface layer }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL