Kuj tseem muaj qhov xav tau ntxiv nyob rau qhov twg lub qhov rooj yog zaum kawg ntawm lub tsev:
Lub qhov rooj yuav tsum qhib rau hauv kev coj ntawm kev khiav tawm.
Yuav tsum tsis muaj xauv lossis ntes. Ntau cov kev siv lub laub bar uas yuav qhib lub qhov rooj thaum nias qis. Yog hais tias lub qhov rooj kuj tseem yog qhov kev ruaj ntseg nkag, lub xauv / catches yuav tsum qhib qhov muag kom tus kheej thaum lub tswb nrov hluav taws.
Qhov rooj tawm hluav taws xob kawg yuav tsum ua rau qhov chaw nyab xeeb.
Nws yuav tsum muaj lub ntsej muag kaw tus kheej kom lub qhov rooj yuav kaw cov neeg khiav tawm kom muaj hluav taws thiab pa taws. Qhov no tseem yuav txwv cov pa oxygen mus rau hauv lub tsev uas yuav pub hluav taws.
Daim ntawv kos npe yuav xav tau cov cim qhia hluav taws uas tau teeb meem. Nyob saum lub qhov rooj.
