Zoyenera kugwiritsidwa ntchito ku IIA, IIB, IIC Kuphulika kwa gasi wowopsa zone1 ndi zone2.
Fumbi loyaka moto IIIA,IIIB,IIIC zone 21 ndi zone 22
Ex-Mark:
Ex db IIC T* Gb,Ex tb IIIC T* Db.