Muaj tseeb koj nco ntsoov tias thawj cov ntaub thaiv da dej yog dab tsi, hauv kev tsim cov khoom siv polyethylene nyias, uas zoo li tsis tuaj yeem pom, thiab, ntxiv rau, tau dhau los ua qhov ua tau zoo me ntsis. Lawv ib txwm daig, thiab kuj protruded, cia dej rau hauv pem teb. Ntawm chav kawm, nws yog qhov tsis yooj yim, ntxiv rau, tsis muaj kev nyab xeeb, vim nws yooj yim rau plam ntawm cov vuas ntub. Tsis tas li ntawd, cov kab nrib pleb, stains, xab npum thiab txiv qaub deposits tau pom ntawm daim ntaub dawb lossis pob tshab. Kawg hloov kho: 2023-12-16 03:12