Muab piv rau cov tawv khi sib khi thiab tawv tiag tiag, peb yuav tsum to taub txog qhov khi ua ke tawv nws yog.
Cov hnab tawv tsiaj tseem hu ua cov tawv fiber los yog tawv tsiaj dua tshiab uas yog cov tawv nqaij tawv thiab tawv tsiaj los ntawm cov tsoos tsho thiab khau khau uas tau ua tiav thiab rov ua dua tshiab. Nyob rau hauv cov hom ntawm cov tawv cov xov fiber ntau yog sib khi nrog cov nplaum rau hauv ib daim ntaub ua raws li daim ntawv thov ntawm cov khoom siv hluavtaws, cov plaub hau-cell qauv thiab ua tiav. Cov khoom siv no yuav muaj suede rov qab thiab zoo nkaus li ntawm du Full Grain tawv, thaum nws yog qhov tseem ceeb ntawm pawg thawj coj tawv. Raws li nws tau muaj tsawg kawg yog 51% cov tawv tsiaj, nws sawv cev raws li "Cov tawv tiag" thiab siv ntau hauv cov khoom lag luam tawv.
Rau cov tawv tiag tiag, nws yog txheej sab sauv ntawm txoj kev zais uas tau muab faib ua khaubncaws sab nraud povtseg los ntawm kev sib cais lub tshuab kom ntau cov tuab. Yog tias cov khoom tsim hauv cov tawv tiag, uas yog kim dua li sib khi tawv ib. Dab tsi ntawm cov khoom xaiv, nws nyob ntawm qhov peev nyiaj ntawm tus neeg siv. Tab sis nws tseem tuaj yeem sib txawv los ntawm saib thiab kov.