1. Mkulu wa carbon zitsulo zopukutira mutu wowumitsidwa kuti ukhale wamphamvu ndi wokhazikika, ufa wakuda wokutidwa.
2. Chogwirizira: Chogwirira chamatabwa cha China cholimba / chogwirira cha phulusa / chogwirira cha Hickory ndi chakuda / chofiyira (kapena mitundu ina yomwe mungafune) Chogwirira cha pulasitiki etc.
3. Mutu wokhala ndi sitampu yolemetsa ya DIN 6475, monga mwachizolowezi titha kuwonjezera chizindikiro cha laser pamutu ngati pempho la kasitomala, kusindikiza chizindikiro / mtundu pa chogwirira.