Amapangidwira kukakamiza mbali zonse za pisitoni, mphete yotsetsereka imakhala ndi ma groove owongolera mbali zonse kuti igwirizane ndi kusintha kwachangu.
Kukhazikika kwamphamvu kwambiri pansi pazovuta komanso zovuta
Zabwino matenthedwe madutsidwe
Ili ndi kukana kwabwino kwambiri kwa extrusion
Kukana kuvala kwakukulu
Kuthamanga kochepa, palibe chokwawa cha hydraulic