Ntau yam tsis ua haujlwm hauv cov tshuab ua kom cua

1. Hauv cov txheej txheem ntawm dyeing, yog tias kev txhim kho thiab kev lo xim tsis sib xws, ces yuav tsum tau siv cov xim thib ob, uas yuav rhuav tshem cov khaub ncaws tsis sib thooj, thiab nws nquag rau qhov tshwm sim ntawm qib sib txawv. Yog li, yuav tsum tau saib xyuas tshwj xeeb thaum xaiv cov tshuaj pleev xim kom tsis txhob muaj cov teeb meem thiab tsis ua haujlwm uas tau hais dhau los.

2. Qhov ntsuas kub ntawm zas xim yuav tsum tsim nyog. Tshaj dhau thiab qis dhau yuav ua rau tsis zoo, thiab yog tias kub ceev dua hauv qhov kub, nws yuav ua rau xim zas xim.

3. Dhuav cov xim kom txaus. Yog tias muaj xwm txheej tso cai, koj tuaj yeem sau tus kheej kom tsis txhob muaj qhov tshwm sim tsis zoo ntawm cov xim.

4. Txhawm rau tiv thaiv ib qho kev sib txhuam thaum lub sij hawm zas xim, nws yog qhov zoo uas xaiv cov roj nplua nyeem uas tsim nyog, los yog txo qhov nrawm tag nrho ntawm cov ntaub kom tsis txhob muaj qhov tshwm sim ntawm khawb cov ntaub.

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