● Muzipirira katundu ● Chepetsani kukangana ndi kutha ● Perekani chithandizo chokwanira cha zipolopolo zodzigudubuza ● Wonjezerani kukhazikika kwa makina amakina
Ma shafts athu odzigudubuza amapangidwa ndi chitsulo chapamwamba kwambiri cha alloy chomwe chimapereka mphamvu yabwino komanso ductility, kuwapangitsa kukhala oyenera kupsinjika kwambiri.
● Mphamvu yonyamula katundu;● Kukana dzimbiri;● Kutha kwapamwamba;● Kukula, mawonekedwe, awiri mwamakonda.