Lub qhov rooj hluav taws yog hais txog lub qhov rooj uas tuaj yeem ua tau raws li qhov yuav tsum tau muaj ntawm kev tiv thaiv hluav taws, kev ncaj ncees thiab kev rwb thaiv tsev kub hauv ib lub sijhawm. Thaum hluav taws tshwm sim, lub qhov rooj hluav taws nyob hauv stairwell tuaj yeem tiv thaiv kev nkag mus, kev sib kis thiab kev sib kis ntawm cov foob pob hluav taws hauv qee lub sijhawm, sib ntaus sib tua rau lub sijhawm muaj txiaj ntsig rau kev khiav tawm hluav taws. Nws yog lub qhov rooj ntawm lub neej los tiv thaiv tib neeg lub neej thiab kev nyab xeeb ntawm cov khoom siv hluav taws xob.

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