{TAIL ~ The silencer} 1, wherein the fibers of the fibrous material have {HEAD ~ a maximum length} of 5 mm 
{ TAIL ~ The silencer } 1 , wherein the fibers of the fibrous material have { HEAD ~ a maximum length } of 5 mm
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH