Vim li cas koj daim iav chav dej yuav tsum tsis muaj tooj liab?Puas yog koj tom qab daim iav chav dej zoo uas kav ntev?Daim iav tsis muaj tooj liab siv sijhawm ntev dua 3 npaug ntawm daim iav qauv ua nrog tooj liab sulfate.Tsis tas li ntawd, nws yog resistant rau humidity, noo noo, ...
Nyeem ntxiv