Ya dace da amfani da IIA, IIB, fashewar fashewar gas1 da sashi2.
Dushewa Busia, IIIB, Zone Zone 21 da Yankin 22
Tsohon alamar:
Ex IIC GB, Ex tb IIIC DB.
Atex babban aiki. No.:SEV 20 Atex 0471 u
IeEx cet. A'a.: Iecex SEV 20.0016u