1, sabon haɓaka siffar kayan aikin hannu.
2, Ana iya haifuwa a digiri 135 akai -akai ba tare da nakasa ba.
3, digiri 360 na keɓancewar juzu'in 'yanci don rage gajiya mai amfani.
4, Tsarin ƙurar ƙura na shugaban abin hannu don hana ƙazanta da barbashi su shiga ciki.
5, Nau'in kullewa, mafi kwanciyar hankali, hana burar tashi tashi.