Ya dace da amfani da IIA, IIB, IIB, Gas na fashewar gas1 da sifa2.
Dushewa Busia, IIIB, Zone Zone 21 da Yankin 22
Tsohon alamar:
Ex IIB GB, Ex tb IIIC DB.
Atex babban aiki. No.:tüv 19 Atex 8473u
IeEx cet. A'a.: Iecex Turtan 19.0073u