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