1. Uhlelo oluhle lokulawula olusebenzisanayo, olwandisa ububanzi bokubekezelelana kanye nokusika ububanzi bezingxenye ezicutshunguliwe, ukuxazulula inkinga encane yonke, futhi umumo wokusika ungcono; ingxenye yokusika ibushelelezi futhi i-burr-free, ngaphandle kokuguqulwa, futhi ukucubungula okuthunyelwe kulula;
2. Ukuphepha okuphezulu. Nge-alamu yokuphepha, ukukhanya kuzokhiywa ngokuzenzakalelayo ngemva kokukhishwa kwe-workpiece;
3. Ukunemba kokuma okuphezulu, ukusabela okubucayi, ukuklama okungenamandla, asikho isidingo sokuhambisa umkhiqizo ngesandla, ukunyakaza okuzenzakalelayo kokusika;
4. Izinhlobonhlobo zamakhanda okusika amandla zingalungiswa ukuze zihlangabezane nezidingo zokusika zemikhiqizo ehlukene