Lub qhov rooj tua hluav taws muaj cov pa taws thiab qhov kub thiab txias ntawm cov cuab yeej siv, thaum muaj hluav taws tuaj yeem daws tau raws sijhawm thiab tshawb pom, ceeb toom thiab siv cov kev ntsuas hluav taws kub, kom nws tuaj yeem tshawb pom hluav taws tau raws sijhawm, thiab ceeb toom rau tib neeg kom tswj thiab tiv thaiv raws sijhawm. .

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