Puas yog tus tawg-pov thawj teeb tsev yuav tsum tau grounded

Raws li lub teb chaws qauv rau hluav taws xob explosion-proofing, Lub casing ntawm explosion-proof teeb yuav tsum tau grounded yog nruab nrog ib grounding ntaus ntawv, xyuas kom txhim khu kev qha hauv pem teb.