An aircraft cabin plate absorber for {HEAD ~ sound absorption} in {TAIL ~ an aircraft cabin}, comprising: 
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An aircraft cabin plate absorber for { HEAD ~ sound absorption } in { TAIL ~ an aircraft cabin } , comprising :
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH