Kho raws li koj xav tau.
Cov khoom siv no feem ntau yog tsim los rau kev kho cov dej phwj hauv tsev thiab cov dej khib nyiab zoo sib xws hauv ntau qhov chaw. Nws zoo tagnrho rau cov zej zog nyob, cov zos, thiab cov nroog, nrog rau cov chaw lag luam xws li cov tsev ua haujlwm, cov khw loj, cov tsev so, thiab cov khw noj mov. Tsis tas li ntawd, nws pabcuam rau cov tsev kawm ntawv xws li tsev kawm ntawv, tsev kho mob, thiab cov koom haum tsoomfwv. Lub kaw lus kuj tsim nyog rau cov chaw tshwj xeeb, suav nrog cov tub rog, cov chaw kho mob, cov chaw tsim khoom, cov chaw khawb av, thiab cov chaw ncig tebchaws. Nws qhov kev hloov pauv ntau yam nthuav dav mus rau cov haujlwm tsim kho vaj tse xws li txoj kev loj thiab txoj kev tsheb ciav hlau, muab kev daws teeb meem zoo rau kev tswj hwm kev kho cov dej khib nyiab hauv ob qho tib si hauv nroog thiab kev siv hauv kev lag luam.