If stiffer fibers are to be contained in the nonwoven, which can be displaced at least not permanently into {HEAD ~ the marginal areas} of {TAIL ~ the respective holes} by the water needling on a perforated drum, these fibers, namely only the ones that are stretched across the holes, are subjected briefly to melting 
If stiffer fibers are to be contained in the nonwoven , which can be displaced at least not permanently into { HEAD ~ the marginal areas } of { TAIL ~ the respective holes } by the water needling on a perforated drum , these fibers , namely only the ones that are stretched across the holes , are subjected briefly to melting
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