An object of the invention is to provide {HEAD ~ reduction} in {TAIL ~ vibration} at the position of its installation in a mechanical system in one or more specified frequency bands 
An object of the invention is to provide { HEAD ~ reduction } in { TAIL ~ vibration } at the position of its installation in a mechanical system in one or more specified frequency bands
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH