The hardness of the vibration damper plate 160 may be less than {HEAD ~ the hardness} of {TAIL ~ the compliant plate members} 42 
of
The hardness of the vibration damper plate 160 may be less than { HEAD ~ the hardness } of { TAIL ~ the compliant plate members } 42
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 TAIL TAIL OTH