The boss is attached to {HEAD ~ the outer surface} of the fan case using a combination of fiber reinforced ply and {TAIL ~ adhesive} 
The boss is attached to { HEAD ~ the outer surface } of the fan case using a combination of fiber reinforced ply and { TAIL ~ adhesive }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL