Yuav ua li cas nrog cov zawv zawg qhov rooj uas yog swb undmoothly.
１.Yog hais tias txoj kev tsheb ciav hlau tsis sib phim nrog lub zawv zawg rooj rau cov menyuam, tom qab ntawd peb tuaj yeem xaiv tag nrho cov teeb tsa ib qho chaw nruab nrog {}}
２.}}} Yog cov tsheb ciav hlau dai rau thaum thauj mus los thiab kev teeb tsa, tom qab ntawd koj tuaj yeem hloov cov tsheb ciav hlau.
{{0 {}}}} Yog tias kev dai cov tsheb ciav hlau tsis yog nyob rau hauv pem teb, ces koj tuaj yeem kho qhov chaw ntawm txoj kev tsheb ciav hlau kom nws mus rau hauv pem teb .
４.Yog hais tias hauv qab ntawm lub qhov rooj tuaj yeem kov tau rau hauv av, ces koj tuaj yeem kho qhov qhov rooj ntawm lub qhov rooj {}}}}}}}}}}} .
５.Yog hais tias lub zawv zawg rooj rau cov menyuam tau xeb, ces koj tuaj yeem siv cov menyuam zoo los hloov nws .
