1.Zoyenera kukweza ndi kunyamula zitsulo zachitsulo, zomanga ndi bar yojambulidwa pamalo opingasa.
2. Pewani kuthyola kapena kunyamula modzidzimutsa.
3. Malire olemetsa ogwira ntchito ndi katundu wochuluka kwambiri omwe ma clamps amaloledwa t kuthandizira pamene amagwiritsidwa ntchito awiriawiri ndi ngodya yokweza ya 60 digiri.Ma inlifing ma clamps atha kugwiritsidwa ntchito pawiri kapena kuchulukitsa.
4. The screw nsagwada ya thupi akhoza kusinthidwa, komanso kukhala satety batani.