Inzuzo:
1.Ithusi lethusiophuza ingono yengulube wumklamo wokuthi izingulube ziphuze ngokuhlanzekile nokongiwa kwamanzi.
2.Sebenzisa imishini ye-CNC ekhiqizwayo ukuze kuqinisekiswe ukunemba.Ukuze ingaphezulu libushelelezi futhi lingantinyeli, ukuqinisekisa ukuphepha kwamanzi okuphuza ezingulube.Isakhiwo esilula nokuhlanganisa ukufaka kulula.3. Izilungiselelo zenethiwekhi yokuvikela igobolondo le-copper ukuqinisekisa ukuthi ingono ngeke ivalwe yinhlabathi.
3.Xhuma imbobo yentambo engu-1/2'', cishe ishubhu engu-20mm.kulula ukuyifaka, isakhiwo esilula,isikhathi eside ukusebenzisa.