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BK series Kev tawg-pov thawj cua txias
1. Dav siv nyob rau hauv kev tshawb nrhiav roj, refining, tshuaj, offshore roj platforms, Flammable thiab explosive atmospheres xws li roj tankers;
2. Muaj feem xyuam rau Cheeb Tsam 1 thiab Cheeb Tsam 2 ntawm ib puag ncig roj tawg;
3. Muaj feem xyuam rau IIA, IIB, IIC explosive gas ib puag ncig;
4. Muaj feem xyuam rau cov pab pawg kub yog T1 ~ T4 / T5 / T6;
5. Ua ib tsob nroj, warehouse tub yees, cua sov thiab cua txias.
