Ubwino:
1.Kupangidwa ndi zinthu zabwino zamkuwa zamkuwa, sizingatsimikizire kuti palibe dzimbiri, sizidzatulutsa zowononga, sizidzatsekedwa.
2.Use CNC Machining opangidwa kuonetsetsa zolondola.Kuti pamwamba ndi yosalala ndi stingless, kuonetsetsa chitetezo madzi akumwa nkhumba.Zokonda pa netiweki yachitetezo kuonetsetsa kuti nsongayo isatsekedwe ndi dothi.3.Lumikizani doko la 1/2 '', pafupifupi chubu la 20mm.zosavuta kukhazikitsa, zosavuta kupanga,kugwiritsa ntchito nthawi yayitali.