The friction damper 1 characterized by {TAIL ~ said plate} having {HEAD ~ a cut} out formed therein 
The friction damper 1 characterized by { TAIL ~ said plate } having { HEAD ~ a cut } out formed therein
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH