Makina owerengera mapiritsi a SPN ndi oyenera kuwerengera mapiritsi ang'onoang'ono ndi makapisozi.Amagwiritsidwa ntchito kwambiri m'chipatala, labu, kapena banja.Makina onse amapangidwa ndi chitsulo chosapanga dzimbiri.Ndi yaying'ono, yopepuka, yolondola komanso yosavuta kugwiritsa ntchito.