In addition, {HEAD ~ the surface} of the vibration damper plate 160 may be smoother than {TAIL ~ the surface} of the vibration damper 118 
smoother than
In addition , { HEAD ~ the surface } of the vibration damper plate 160 may be smoother than { TAIL ~ the surface } of the vibration damper 118
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH