Peb lub tuam txhab xa ob 20GP magnesium oxide board khoom rau peb cov neeg siv khoom Fabkis txoj kev hwm thaum Lub Kaum Hli 18, 2023. Cov khoom siv feem ntau yog siv hauv tsev, ua lub luag haujlwm hauv kev tiv thaiv hluav taws, nplaim hluav taws kub, thermal rwb thaiv tsev, noo noo-pov thawj, thiab lwm yam. Lawv nyiam heev los ntawm cov neeg siv khoom. Cov duab cov khoom yog raws li nram no.
