Cov qhov rooj hluav taws tau muab faib ua feem ntau kaw qhov rooj hluav taws thiab ib txwm qhib qhov rooj hluav taws. Lub qhov rooj hluav taws kub ib txwm raug kaw nyob rau hauv cov nyhuv ntawm lub qhov rooj los ze zog; Yog li ntawd, thaum hluav taws tawg, nws tuaj yeem tiv thaiv kev sib kis ntawm cov pa taws. Qhov feem ntau qhib hluav taws qhov rooj yog qhib nyob rau hauv cov nyhuv ntawm lub qhov rooj los ze zog. Thaum hluav taws kub hnyiab tawm, qhov hloov pauv yuav raug tso tawm kom nquag plias, thiab qhov hluav taws kub qhov rooj yuav raug kaw nyob rau hauv qhov kev tshwm sim ntawm lub qhov rooj los ze zog thiab cov khoom sib dhos.

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