Tawg-pov thawj teeb yog ib tug ntaus ntawv hluav taws xob ntaus nrog ib tawg-prof casing ua los ntawm aluminum alloy khoom. Thaum ib tug explosive roj mixture nkag mus rau hauv lub casing thiab ignites, Tus tawg-pov thawj enclosure yuav to taub lub tawg tawg siab ntawm cov roj mixture thiab tiv thaiv cov tawg ntawm kis mus rau lwm tus explosive mixture sab nraum lub casing.
Tus thawj xibfwb ntawm gap explosion-proofing yuav siv hlau gaps nres lub propagation ntawm explosion taws, txias ntawm cov khoom tawg los extinguish thiab txo lub tshav kub kub.