Iimvavanyo eziqhelekileyo zobunzima zibandakanya: I-Rockwell Hardness (HR), i-Surface Rockwell Hardness (HR), i-Vickers Hardness (HV), i-Micro Vickers Hardness (HV), i-Knoop Hardness (HK), i-Brinell Hardness (HB) , i-Leeb hardness (HL) (i-rebound indlela), uvavanyo lobunzima be-ultrasonic (UCI), Ubunzima be-Shore (SHORE).https://www.yukeriv...
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