The moveable portion of the armature is substantially centered within {HEAD ~ the passage} in {TAIL ~ response} to the fixed portion being engaged to the armature mounting structure 
The moveable portion of the armature is substantially centered within { HEAD ~ the passage } in { TAIL ~ response } to the fixed portion being engaged to the armature mounting structure
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH