{TAIL ~ The friction damper} includes a plate underlying radially outer shrouds of {HEAD ~ two adjacent airfoils}  
{ TAIL ~ The friction damper } includes a plate underlying radially outer shrouds of { HEAD ~ two adjacent airfoils }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH