Shenhai tawg-pov thawj
IECEx sawv cev rau International Electrotechnical Commission cov ntawv pov thawj rau cov khoom tawg-pov thawj hluav taws xob.
Nws qhia txog cov txheej txheem kev lees paub rau cov khoom siv hluav taws xob tsim los siv rau hauv qhov chaw muaj peev xwm tawg tau nthuav dav hauv kev lag luam xws li roj., tshuaj, thee mining, light textiles, kev ua qoob loo, thiab tub rog, characterized los ntawm lub peev xwm tsub zuj zuj ntawm explosive gases, vapors, hmoov av, los yog fibers.