- uphando
1. Ilungele imeko yegesi eqhumayo iZone 1 kunye neZone 2.
2. Ilungele i-IIA, IIB, i-IIC yeziqhushumbisi.
3. applicable to combustible dust Zone 21 and Zone 22.
4. Ilungele ubushushu beklasi T1 ~ T6.
5. widely used in oil exploration, chemical, military, pharmaceutical, oil refining and other hazardous environments and depots, offshore oil platform, oil tankers and other places.