Friction is generated between the outer surface of the unattached portion of the friction damper and {TAIL ~ the underside} of {HEAD ~ the adjacent shroud} 
Friction is generated between the outer surface of the unattached portion of the friction damper and { TAIL ~ the underside } of { HEAD ~ the adjacent shroud }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD