Inzuzo:
I-1.Yenziwe ngezinto ezingcono kakhulu zethusi, zingaqinisekisa ukuthi akukho ukugqwala, ngeke kukhiqize ukungcola, ngeke kuvinjwe.
2.Sebenzisa imishini ye-CNC ekhiqizwayo ukuze kuqinisekiswe ukunemba.Ukuze ingaphezulu libushelelezi futhi lingantinyeli, ukuqinisekisa ukuphepha kwamanzi okuphuza ezingulube.
3. Izilungiselelo zenethiwekhi yokuvikela ukuqinisekisa ukuthi ingono ngeke ivalwe yinhlabathi.
4.Xhuma imbobo yentambo engu-1/2'', cishe ishubhu engu-20mm.kulula ukuyifaka, isakhiwo esilula, isikhathi eside sokusebenzisa.