Yuav ua li cas tshem tawm cov stains ntawm lub wallpaper?

1. Yog tias muaj stains rau ntawm phab ntsa, tshwj xeeb tshaj yog cov menyuam yaus hauv tsev. Koj tuaj yeem xaiv tshem tawm cov smudges los ntawm cov ntawv ntsa nrog roj hmab, dej soapy, thiab lwm yam. Feem ntau, cov cwj mem stains yog maj mam muab tshem tawm nrog cov roj hmab lwv; Yog hais tias nws yog ib tug watercolor stain, nws muaj peev xwm muab soapy dej thiab ces so nrog ib tug mos qhuav ntaub. Yog hais tias nws yog ib tug crayon stain, siv ib daim txhuam cev los maj mam so nws kom huv si. Ballpoint cwj mem stains yuav tsum tau ntxuav nrog ib tug semi-ntub phuam.

2, Rau qee qhov nyuaj roj stains, kua zaub stains, thiab lwm yam, tuaj yeem diluted nrog ib lub xab npum rau hauv qhov sib tov qis, qhov sib piv yog 1: 3. Tom qab ntawd siv cov ntaub mos muag los txhuam me ntsis thiab wring nws tawm kom tshem tawm.