Kuv xav koom nrog cov ncauj lus Svetlana "thawv rau tej yam me me" nrog lawv lub tswv yim. Hauv txoj ntsiab cai, txhua yam yog tib yam, tsuas yog kuv nqa ib lub thawv yooj yim los ntawm cov khau thiab kaw nws x / b rau ib daim ntaub nrog kev pab ntawm PVA lo. Ib qho nyuaj me me yog cov ces kaum ntawm lub thawv. Yog li ntawd lub thawv zoo li zoo dua thiab huv, ntawm nws cov ces kaum ntawm cov kab ntawm cov ntaub thaum gluting tig. Nws muab tawm zoo rau kev ntim khoom pub khoom plig.