Shenhai tawg-pov thawj
Thee roj roj flamrammable suav nrog cov pa roj carbon monoxide thiab hydrogen, lub tom kawg poob nyob rau hauv cov khoom tawg ntawm Class IIC. Qhov txawv ntawm cov pa roj carbon monoxide, rau qhov uas IIBT4 tawg-pov thawj cov khoom siv hluav taws xob txaus txaus, thee gas xav tau kev siv IICT4.
Rau kev ruaj ntseg ntxiv, Kev ua cov kis qhov kev kuaj hniav kis lossis qhov tsawg kawg nkaus yuav raug cov kev sim ua tau zoo.