actuator means associated with the member, for applying stress to {TAIL ~ the member} in {HEAD ~ such a manner} as to produce a strain opposite in sense to that induced by the external stress forces acting on the structure 
actuator means associated with the member , for applying stress to { TAIL ~ the member } in { HEAD ~ such a manner } as to produce a strain opposite in sense to that induced by the external stress forces acting on the structure
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH