1.Hauv tsev kho kom zoo nkauj, ntau cov ntaub ntawv no yog siv los ua rooj tog.Thaum yuav khoom, koj tuaj yeem kov qhov chaw kom pom tias muaj cov burrs.Qhov zoo ntawm blockboard tsis muaj qhov pom tseeb sib tshooj lossis sib cais qhov tshwm sim, thiab muaj qhov qhuav, du, thiab tsis muaj qhov tsis sib xws rau qhov kov.Poor quality bloc...
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