BR saukar da rami rawar soja
Babban fasali sune kamar haka:
1. Tsarin tsari mai sauƙi, mai sauƙi don tarawa da rarrabawa, tsawon rai.
2. Mafi girman tasirin tasiri da saurin hakowa.
3. Rage shan iska da rage yawan man mai. Za a iya huda rami a kan bawul ɗin duba don samar da mafi kyawun fitarwa.
4. Musamman dace da quarrying.