Lub qhov rooj tua hluav taws yog nruab nrog lub laub pas nrig + sab nraud kov xauv, uas tuaj yeem tsis tsuas yog tiv thaiv tub sab xwb tab sis kuj khiav tawm. Lub qhov rooj xauv sab nraum lub qhov rooj xav tau tus yuam sij qhib, tiv thaiv cov neeg sab nraud los ntawm kev nkag mus thiab tawm mus, thiab tus pas nrig hauv lub qhov rooj khiav tawm sai sai, raws li txoj cai hluav taws kub. General tsev kho mob hluav taws qhov rooj yuav tsum tau muab ntsia, txais tos sab laj nrog peb.

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