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