1. Alikho ishubhu lomsila, ishubhu eyodwa kanye nomklamo wokuxhumana owodwa.
2. I-interface iyi-flat-head shaft interface eyodwa, okulula ukuyihlanza, ingasebenza ngaphansi kwengcindezi, futhi isendaweni ngomshini owodwa.
3. Ukulawula ukushintsha kwepulasitiki okungasheleli, akukho okunamathelayo noma okunamathelayo, okwenza ukusebenza kucace kakhudlwana.