Ilungele ukusetyenziswa kwi-IIA, IIB, IIC Ukudubula kwerhasi enobungozi zone1 kunye nezone2.
Uthuli oluvuthayo IIIA,IIIB,IIIC zone 21 kunye nendawo yama-22
Ex-Mark:
Ex db IIC T* Gb,Ex tb IIIC T* Db.