Burburiyeyaasha dubbaha waxaa caadi ahaan loo isticmaalaa in lagu burburiyo dhagaxyada nuuradda iyo dhagxaanta ku jira dhirta Sibidhka iyo dhirta Quarry.

Dubbasyadu waa qaybaha xidhashada muhiimka ah si ay u burburiyaan dhagxaanta qiyaaso yaryar. Qorraxdu waxay ku soo saari doontaa dubbayaasha xulashooyinka soo socda si ay ugu habboonaato burburinta nuuradda:

1, Manganesebir

2, Manganese +Tic carbide (nolol dheerad ah)

3, Manganese + Ceramic (nolol dheerad ah)

4, Birta Martensitic 

5, Martensitic/Chrome Bimetal.

6, Birta Martensitic + Ceramic. (nolol dheerad ah)

Fadlan nala soo xiriir wixii faahfaahin ah.