
1.Muaj teebmeem rau cov dej haus, mis, mis nyuj khov, ntshav lo thiab lwm yam" kua" stains ntawm cov nyom dag, yuav xub siv dej xus npus txhuam mus txhuam, thiab tom qab ntawd siv cov dej huv los ntxuav cov dej hauv xab npus hauv zos, thiab thaum kawg tuaj yeem siv daim ntaub nrog lub zog khov kho kom tawg tawm cov dej tsuas rau ntawm cov nyom dag.
2.Accidentally dip suntan roj, khau polish, cwj mem roj hauv cov nyom dag, tuaj yeem ntxau nrog daim txhuam cev ua ntej cov pas nrig nrog perchlorethylene, daim ntaub kawg nqus tau muaj zog ntawm cov nyom nyom nqus qhuav perchlorethylene.
3.Yog hais tias koj tau suav muab cov ciab dawb, tar thiab asphalt rau ntawm kev txiav nyom, koj tuaj yeem txhuam cov nyom los yog txhuam nws nrog perchlorethylene.
4.Muaj kua nplaum ntsia thawv polish mus rau kev txiav nyom thiab txhuam nws nrog acetone
5.Kev pleev xim rau, xim txheej thiab lwm yam xim ntawm cov khoom siv dag nyom, tuaj yeem siv turpentine lossis xim pleev xim kom tshem tawm tus neeg sawv cev txhuam cov nyom, nrog tshuaj ntxuav tes thiab dej kom tsis haum. Ntxuav lub tshuab huv nrog dej txias thiab txhuam nws kom zoo. Txhim nws nrog perchlorethylene los txhuam cov nyom.
6.Cov nplaum lo rau ntawm cov pos hniav ntawm cov nyom dag, tuaj yeem siv cov tshuaj txau dawb mus rau hauv cov ntawv me me ua ntej ntxuav cov nyom nyom seem.
7.Yog siv ntev ntev, muaj cov pwm lossis cov pwm ntawm qhov pom ntawm cov nyom dag, tuaj yeem siv 1% hydrogen peroxide los hliv rau hauv dej, tom qab nqos dej, siv dej los txhuam cov nyom kom huv si.








