Qhov kim dua cov khaub ncaws wool, qhov zoo dua cov qauv ntawm cov ntaub plaub fibers nyob rau hauv cov nqe lus ntawm daim ntawv, piv txwv li qhov zoo dua qhov degree ntawm softness thiab curl. Qhov tsis zoo yog tias cov fibers feem ntau yuav tangle thiab pucker.
Qhov no yog lub ntsiab yog vim li cas wool sweaters pucker. Pilling kuj tuaj yeem tshwm sim los ntawm kev sib txhuam ntawm lub cev hauv lub neej txhua hnub.
Piv txwv li, pilling feem ntau tshwm sim hauv hnab ris, cuffs thiab hauv siab qhov chaw uas cov ntaub plaub feem ntau rubbed los ntawm cov khoom txawv teb chaws lossis hnav.
Thaum spinning wool, manufacturers so lub twist ntawm cov xov paj kom nws zoo li mos, uas ua rau cov fibers tuav ua ke ntau loosely.