Icyuma cya fibre cyacumuye cyunvikana ni uguhuza insinga zibyuma byinshi mumigozi hanyuma ukayirambura kugeza kuri diameter ya fibre iboneka icyarimwe, hanyuma ukayihuriza mumigozi ifite uburemere bumwe na diameter isanzwe, ukayicamo, ugakoresha ibyuma bifatanye, hanyuma utegure felts nyinshi zifite diametero zitandukanye hamwe kugirango ube fibre yuzuye umubyimba, kugirango fibre yambukiranya icyuho, hanyuma ucumure ibyiyumvo nyuma yubushyuhe bwinshi no gucumura vacuum, Ibikoresho bisanzwe nibyuma bitagira umwanda 316L.