Ubusanzwe inyundo zikoreshwa mu kumenagura amabuye n'amabuye mu bimera bya sima n'ibiti bya Quarry.

Nyundo ningenzi urufunguzo rwo kwambara kugirango ujanjagure amabuye mubunini. Sunwill ikora inyundo muburyo bukurikira kugirango ihuze hekeste:

1, Manganeseibyuma

2, Manganese + Tic karbide (ubuzima bwagutse)

3, Manganese + Ceramic (ubuzima bwagutse)

4, ibyuma bya Martensitike 

5, Martensitike / Chrome Bimetal.

6, ibyuma bya Martensitike + Ceramic. (kuramba)

Nyamuneka twandikire kugirango ubone ibisobanuro birambuye.