Hoʻolālā ʻia kēia pūʻulu o nā mea hana no ka mana damper i nā kaiapuni / nā wahi hana me nā kinoea pōʻino pahū, ka mahu a i ʻole ka lepo i hoʻopau ʻia i ka HVAC, petroleum, petrochemical, metallurgy, nā moku, nā mana mana, nā mea kanu nuklea, nā lāʻau lapaʻau, a me nā mea ʻē aʻe.
Hōʻailona hōʻailona pahū: Gas Ex db ⅡC T6 Gb / Dust Ex tb ⅢC T85℃ Db