1: Flatness, qhov no yog qhov yooj yim tshaj plaws, cov kev cai ntawm cov menyuam kaw cov ntaub, yog tias qhov flatness tsis zoo, qhov poob ntawm cov ntaub yuav zoo heev.
2: Thickness, tshwj xeeb tshaj yog them rau cov ntug sib txawv uas tswj cov thickness ntawm txheej.
3: Lub hnub ceev ceev, vim tias txoj hauj lwm ntawm cov qhov muag tsis pom kev feem ntau yog dai rau hauv qhov chaw uas muaj hnub ci ntau dua, hauv cov txheej txheem dyeing thiab luam ntawv, peb yuav tsum tau xyuam xim rau kev siv cov hnub ci siab.
4: Qhov ceev ntawm cov npuas dej txheej, tshwj xeeb tshaj yog tsis tshwm tev lossis tawg.
5: Weaving defects ntawm fabrics. Vim yog qhov tshwj xeeb ntawm cov menyuam qhov muag tsis pom kev, qhov kev xav tau zoo rau cov ntaub yog siab thiab yuav tsum tau tswj nruj heev.
6: Xim ceev, grammage, dav, thiab lwm yam yog raws li cov qauv yuav tsum tau, thiab qhov zoo yog nruj me ntsis tswj.
