1.Izinto ezisemgangathweni ophezulu.Lawula ngokungqongqo umgangatho, iglosi elungileyo.
2.Umsebenzi onobuchule.Unyango oluphezulu luhamba kakuhle ngaphandle kwe-burrs, lunamandla kwaye luzinzile.
3.Inkxaso yokwenza ngokwezifiso.Ingenziwa ngokwezifiso ngokweemfuno zabathengi beenkcukacha ezahlukeneyo, izixhobo.
4. Ukuxhathisa okuqinileyo kwe-corrosion kunye nokuxhatshazwa kokugqoka.Akukho lula ukugqwala.
1. Ukuzivalela kakuhle, ukhuseleko oluphezulu.
2. Ubomi benkonzo ende, ukunxiba ukuxhathisa.
3. Ukuxhathisa okuqinileyo kwe-corrosion.
4. Iyafikeleleka.