Cov ntse ntse yuav tig los ntawm opaque rau pob tshab uas tuaj yeem thov rau tsev / chaw ua haujlwm thiab lwm yam tsim sab hauv.
Lub sab nrauv nrog rau cov vaj tse hauv vaj tse, xws li qhov chaw ua qauv, ntsuab, kho kom zoo nkauj, duab xo, teeb pom kev zoo thiab kos duab ntawm ntau cov chaw tsim kho, ua ke hu ua kev kho kom zoo nkauj thaij sab hauv; Lwm yam yog nyob ntawm cov chaw xws li rooj tog, teeb, khoom siv hauv tsev, cov khoom siv tais diav, cov tais diav, cov tais diav, ntawv sau thiab cov khoom vaj khoom tsev, Lub tom kawg qeb yog tus neeg ywj pheej ywj siab thiab tuaj yeem hloov tau lossis hloov tau. Sab hauv kho kom zoo nkauj tuaj yeem txhim kho qhov chaw, uas yog, ib zaug ntxiv los ntawm kev kho kom zoo nkauj, qhov chaw tha xim sab nrauv rau kev tsim kho thiab kho.
