{TAIL ~ A nonwoven} with a basically clean hole structure on a drum with plastic elevations can be produced by {HEAD ~ energy rich water jets} 
{ TAIL ~ A nonwoven } with a basically clean hole structure on a drum with plastic elevations can be produced by { HEAD ~ energy rich water jets }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD