Muaj ob hom xim iav fwj, ib qho yog thawj xim iav thiab lwm yam yog iav iav.
Thawj xim iav, raws li lub npe qhia, yog tib xim thaum pib molding, thiab yuav tsis hloov tom qab.
Txau iav, uas yog, iav nrog tshuaj tsuag xim rau ntawm qhov chaw.
Yog li yuav ua li cas paub qhov txawv xim xim iav los yog cov iav txau?
Cov lus teb yog qhov yooj yim heev, siv cov khoom ntse ntawm koj txhais tes, xws li riam, qhov tseem ceeb, thiab lwm yam, txhawm rau txhuam tawv ntawm cov xim. Yog tias cov xim tuaj yeem raug khawb tawm, nws yog txau; yog tias nws tsis tuaj yeem raug khawb tawm, nws yog thawj xim.
Raws li seb cov iav dawb yog frosted los yog txau, nws kuj yooj yim heev. Cov nyhuv frosting yuav ploj mus thaum raug dej. Raws li ntev raws li qhov saum npoo ntawm lub raj mis qhia pom cov nyhuv pob tshab tom qab ntub dej, ces nws yog iav frosted.
Koj tuaj yeem qhia tau yog tias tsis muaj dej. Vim hais tias cov iav frosted yog corroded, qhov saum npoo yuav muaj cov xuab zeb zoo li, uas yog pom tseeb txawv ntawm cov iav du, thiab nws tuaj yeem pom qhov txawv ntawm qhov no.