1. Nws yog dav siv nyob rau hauv flammable thiab explosive gas ib puag ncig xws li roj exploitation, refining, tshuaj kev lag luam, offshore roj platform, roj tanker, thiab lwm yam. Nws kuj yog siv nyob rau hauv flammable plua plav qhov chaw xws li tub rog kev lag luam, chaw nres nkoj, grain cia thiab hlau. kev ua;
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 thaj tsam 21 thiab 22 ntawm ib puag ncig flammable plua plav;
5. Muaj feem xyuam rau corrosive gases, noo noo, thiab siab tiv thaiv qhov chaw;
6. Muaj feem xyuam rau cov pab pawg kub yog T1 ~ T4;
7. Tswj qhov pib ncaj qha, nres thiab rau pem hauv ntej thiab thim rov qab ntawm lub cev muaj zog, thiab overload, luv Circuit Court thiab tiv thaiv voltage.