Drill chitoliro ndi makina ofunikira pazida zamakina amigodi.Chitoliro chobowola ndi pobowola ndi zida zogwirira ntchito zobowola thanthwe, zomwe zimakhudza kwambiri mphamvu ya kubowola miyala, chitoliro chobowola, chomwe chimatchedwanso chitsulo, chimapangidwa ndi chitsulo cha kaboni, gawolo ndi lopanda hexagonal kapena p...
Werengani zambiri