1. Kugwiritsa ntchito chithandizo cha rotary chodzipereka kumatsimikizira kugwira ntchito kokhazikika.
2. Thupi lometa ubweya limapangidwa kuchokera ku mbale zachitsulo za HARDOX400, zokhala ndi chitetezo chosavala chosanjikiza kawiri, chopatsa mphamvu zambiri komanso moyo wautali.
3. Kapangidwe kake kakhala kokonzedwa bwino, zomwe zimapangitsa kuti pakhale mphamvu yodula kwambiri.