M4m6 zitsulo zosapanga dzimbiri zimabzala zonunkhira zopaka mafuta

M8 * Wolumikizidwa ndi chitoliro cha 4mm, m10 * 1 cholumikizira chitoliro cha 6mm Zoyenera kusintha makina am'madzi a jakisoni opangira jakisoni, kusindikiza, zida zamakina etc.