I-Othomathikhi ye-Online Pipe Hardness Tester
Ubulukhuni bepayipi lenjini ye-Aerospace iphrojekthi yokuhlola ku-inthanethi kusetshenziswa umhloli wethu wokuqina we-Rockwell ozenzakalelayo.
Umhloli wokuqina wokuqina we-Rockwell, umhloli wokuqina ka-Brinell, umhloli wokuqina ka-Vickers
