Ngokulungiswa okunembile okunembile, sebenza ngokudla isondo.
Ushintsho olusheshayo lokumisa umbhali.
Umsebenzi onzima wokusetshenziswa kwemboni.
Ukusetha uziro kunoma iyiphi indawo.
Imishayo ephindwe kabili engenabala iqinisekisa ukunemba okuphezulu.
Isisekelo senziwa lukhuni, sigaywe futhi sihlanganiswe ukuze kube flatness esiphezulu.
I-Carbide tipped scriber ngemigqa ebukhali, ehlanzekile.