Tus nqi ntawm kev noo noo Regain
Hws noo noo rov qab yog qhov taw qhia ntawm cov degree ntawm noo noo nqus ntawm textile cov ntaub ntawv. Nws yog qhia raws li qhov feem pua ntawm qhov hnyav ntawm ya raws hauv cov khoom mus rau qhov hnyav ntawm cov khoom siv qhuav. Hauv kev lag luam ntawm cov ntaub, kom thiaj li suav qhov hnyav thiab tshawb xyuas tus nqi, nws yog qhov yuav tsum tau ua kom cov kev cai sib txawv ntawm cov dej noo rov qab los ntawm ntau cov ntaub ntawv, uas yog hu ua nominal noo rov qab los.