Kua Wehehia nga Raiti Pahū-Tara ki etahi taumata

Ko nga rama pahū-ahuru ka wehewehea kia toru nga whakarōpūtanga: IIA, IIB, me te IIC.

Karaehe IIA

Suitable for places with gasoline-like substances, penei i nga teihana hau. Ko te haurehu mo tenei waahanga he propane.

Te karaehe IIB

Used in general factories where hazardous gases are present. Ethylene is the representative gas for this classification.

Class IIC

Designed for factories exposed to hauwai, acetylene, or carbon disulfide.