Nsalu yathu yokwezeka yamatabwa ya polypropylene fiber imagwiritsa ntchito ukadaulo wopotoka wapamwamba komanso njira yapadera yopangira "masitepe awiri" kuphatikiza zamkati zamatabwa zofewa ndi nsalu zolimba za spunbond kudzera mumayendedwe ahydraulic.Chotsatira chake ndi nsalu yokhala ndi mawonekedwe apadera okwera omwe amawonjezera mphamvu zake zoyeretsera ndipo ndizoyenera makamaka kwa mafakitale ovuta komanso olemera kwambiri.Kuonjezera apo, nsaluyi imapangidwa ndi zamkati zamatabwa zamtengo wapatali zomwe zimatumizidwa kuchokera ku Canada ndi polypropylene yatsopano, kuonetsetsa kuti ndi yodalirika komanso yogwira ntchito.Kaya amagwiritsidwa ntchito poumitsa manja, kuyeretsa makina kapena kupukuta pamwamba, nsaluyi imawonjezera phindu pa ntchito zoyeretsa zamphamvu.Kuphatikiza apo, nsalu za pique zitha kugwiritsidwa ntchito ndi madzi, zotsukira kapena zosungunulira popanda kuwonongeka kwa magwiridwe antchito, kupereka kusinthasintha komanso kosavuta kwa ntchito zosiyanasiyana zoyeretsa.