{HEAD ~ A bolt attachment} is attached to the outer surface of the fan case and has {TAIL ~ an internal composite boss} with at least one threaded metallic insert 
has
{ HEAD ~ A bolt attachment } is attached to the outer surface of the fan case and has { TAIL ~ an internal composite boss } with at least one threaded metallic insert
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH