1. Uburhabaxa bomphezulu bungaphantsi kokujika, ukugaya kunye nokugaya.
2. Amandla kunye nobunzima bomsonto ogqityiweyo unokuphuculwa ngenxa yomsebenzi obandayo onzima.
3. Izinga lokusetyenziswa kwezinto eziphathekayo liphezulu, imveliso iphezulu kakhulu kunokuba inqunywe, kwaye kulula ukuyiqonda i-automation.
4. Ubomi bomqengqelezi bude kakhulu. Kodwa intambo yokuqengqeleka ifuna ukuba ubulukhuni besixhobo sokusebenza bungagqithi kwi-HRC40.
5. Ukuchaneka okuphezulu kobukhulu obungenanto bufunekayo.
6. ukuchaneka kunye nobunzima bokufa kwe-rolling nazo ziphezulu, ngoko kunzima ukuvelisa ukufa.
7. Ayifanelekanga ukuqengqeleka intambo ene-asymmetric tooth shape.