Methane tuaj yeem tawg hauv qhov chaw kaw

Cov pa roj, uas yog xim tsis muaj xim, tsw tsw, thiab tsis muaj tshuaj lom, Muaj feem ntau ntawm methane thiab muaj feem cuam tshuam rau kev tawg thaum ntsib cov nplaim taws hauv qhov chaw kaw.

Raws li ib txwm muaj, yog hais tias qhov concentration ntawm cov pa roj carbon monoxide nyob rau hauv ib qho chaw kaw tau tshaj qhov qis dua qhov txwv los ntawm ntau dua 10%, nws suav tias yog qib txaus ntshai thiab nkag mus yuav tsum zam.