Yuav txheeb xyuas hom tawv li cas?

Muaj ntau hom tawv, yuav ua li cas paub qhov txawv? Hnub no kuv yuav qhia koj paub qhov txawv.

Cov tawv nqaij sib txawv muaj qhov zoo sib xws hauv cov tsos thiab cov qauv sab hauv, xws li cov tawv nqaij nees thiab cov tawv nqaij tawv, cov tawv nqaij daj thiab cov tawv nqaij tawv, cov tawv nqaij qaib thiab cov yaj, cov tawv nqaij kangaroo thiab calfskin, thiab lwm yam. Nrog rau kev txhim kho cov txheej txheem tawv nqaij, cov tawv nqaij tau raug txiav, decorated thiab imitated embossing, uas yuav ua rau nws unrecognizable, ib co thawj nta yog them, thiab ces txiav, muab faib thiab delicately sewn, dab tsi ntawm tawv nws yog, nrog rau qhov muag liab qab yuav luag illegible. Txhawm rau kom tau txais txiaj ntsig, qee cov tuam txhab lag luam yuav siv qhov zoo sib xws hauv cov tsos ntawm cov tawv nqaij sib txawv, thiab siv cov txheej txheem sib txawv hauv kev tsim khoom. Hauv cov tub lag luam, nws kuj yog ib qho ntawm cov khoom tawv tawv uas tau cim nrog "cov tawv tiag tiag" lossis "cov tawv nyuj". Cov neeg muag khoom ntawm tus kheej tsis muab cov lus qhia ntxaws ntxaws los txhawb lawv cov khoom, ua rau cov neeg siv khoom xaiv tsis raug.

Nov yog qee txoj hauv kev txheeb xyuas tus kheej:

1. Kev sib piv ntawm cowhide thiab horsehide:cov pores nyob rau saum npoo ntawm cowhide yog puag ncig, thiab txuas ncaj qha rau hauv tawv. Lub qhov hws yog nruj thiab tsis sib xws, thiab kev sib haum xeeb yog qhov tsis sib xws, zoo li lub ntuj uas muaj hnub qub; thaum lub pores ntawm horsehide yog oval, uas yog ntau oval tshaj cowhide pores. Loj, slanting rau hauv cov tawv nqaij nyob rau hauv cov duab ntawm cov leeg, qhov kev npaj yog ntau li niaj zaus, tawv nto yog mos thiab xoob, xim yog dim thiab kaj, tsis zoo li cowhide.

2. Kev sib piv ntawm cov tawv daj thiab yak tawv:Cov tawv daj muaj ntau qhov pores, thaum yak tawv muaj thicker thiab sparser pores.

3. Kev sib piv ntawm daim tawv yaj thiab nees luav:sheepskin muaj scaly pores thiab zoo zoo dua li ntawm daim tawv nqaij. Nyob rau hauv xyoo tas los no, raws li tib neeg txoj kev paub txog cov khoom siv tshuaj ntawm cov nqaij luav tau loj hlob, cov tawv nqaij luav tsis tshua siv rau hauv hnab tes.

4. Kev sib piv ntawm cowhide thiab pigskin:lub pores ntawm cowhide yog zoo thiab ntom, teem irregularly, thiab lub cortex yog du thiab huv si; thaum lub qhov hws ntawm pigskin yog teem nyob rau hauv daim duab peb sab, thiab lub cortex yog xoob.