Hluav Taws Kub-Rated Steel lub qhov rooj ua lub luag haujlwm tseem ceeb hauv kev ua kom cov neeg muaj kev nyab xeeb thiab muaj cov khoom puas tsuaj rau cov khoom hluav taws. Daim ntawv lo rau cov neeg tua hluav taws tswj kev kis hluav taws thiab haus luam yeeb ntev txog 3 teev. Qhov rooj hluav taws xob yog qhov cuab yeej hlau yog kev lag luam lwm qhov rooj rau cov ntoo hluav taws, thaum ntau tshaj li 20 feeb ntsuas yog qhov yuav tsum tau ua. Cov hlau yog lub rooj cov khoom siv kom xa 3 teev tua hluav taws.
Qhov rooj qhib hluav taws tau raug cais los ntawm lawv cov chaw hauv lub tsev. Qhov chaw txiav txim siab qhov ntev ntawm kev tiv thaiv yuav tsum muaj, raws li lub peev xwm tua hluav taws ntawm qhov chaw tshwj xeeb.
NCO TSEG: Cov qhov sab nrauv tsis tas yuav muaj kev ntsuas hluav taws, tshwj tsis yog muaj peev xwm rau kev tua hluav taws los ntawm lub tsev sab nraud. Saib cov nplaim dej ntws yaug cov qhov rooj tsis yog cov qhov rooj tsis yog ua los ntawm tib qho kev tsim kho uas yog cov hlau hluav taws hlau lub qhov rooj.
