● Amabheringi ayindilinga anokusebenza kokuziqondanisa okuzenzakalelayo
● Ngaphezu kokuthwala umthwalo we-radial, futhi ingathwala umthwalo we-axial we-bidirectional, ayikwazi ukuthwala umthwalo we-axial omsulwa.
● Inokumelana nomthelela omuhle
● Ifanele iphutha lokufaka noma ukuchezuka kwe-shaft okubangelwa izikhathi zamaphutha e-Engeli