Isivivinyo Sokuqina Kwepayipi Esizenzakalelayo Esiku-inthanethi
Iphrojekthi yokuhlola ubulukhuni bepayipi lenjini yendiza esebenzisa isihloli sethu sobulukhuni se-Rockwell esizenzakalelayo.
umhloli wobulukhuni wamasethi aphelele umhloli wobulukhuni waseRockwell, umhloli wobulukhuni waseBrinell, umhloli wobulukhuni waseVickers
