Fahimci rarrabuwa na tubali masu ratsa jiki a cikin minti 1

1. Bulo mai ƙanƙancewar yumɓu: Bisa ga alamun jiki da sinadarai, an raba su zuwa (ƙa’idojin ƙasa) N-1, N-2a, N-2b, N-3a, N-3b, N-4, N-5, da N-6.

2. Babban tubalin alumina mai tsaurin ra’ayi: Dangane da alamun jiki da sinadarai, an raba su zuwa (ma’aunin ƙasa) LZ-75, LZ-65, LZ-55, LZ-48.

3. A cewar refractoriness (misali na duniya) SK32, SK34, SK36, SK37, SK38.

4. An raba tubalin rufi na ganga na ƙarfe zuwa: CN-40, CN-42, CL-48, CL-65, CL-75 gwargwadon alamun aikin su.

5. An raba tubalin da ba a saba amfani da shi ba don ƙera ƙarfe a cikin ganga na ƙarfe zuwa: SN-40, KN-40, XN-40, ZN-40 gwargwadon alamun aikin su.

6. An raba tubalin da ba a so don murhun murhun zafi zuwa alamun aikin: RN-40, RN41, RN42, RN43, RL48, RL55, RN65.

7. An raba tubalin da ke hana ruwa don zubawa: JZN-36, JZN-40, JZN-55, JZN-65 gwargwadon alamun aikin su.

8. An raba tubalin da ba a yarda da shi ba don murhun coke zuwa: JN-40, JN-42Y, JS-94A, JG-94B gwargwadon alamun aikin su.

9. An ƙera tubalin da ba a so don murhun tukunyar gas zuwa N-1, N-2a, LZ55, da LZ-75 gwargwadon alamun aikin su.