ʻO Rockwell & Superficial Rockwell Block Brinel paʻakikī ʻO nā poloka paʻakikī'ē aʻe ʻO Vickers & Micro Vickers paʻakikī paʻakikī Indenter ʻO Eypiece & kumuhana Leeb hopena Nā holoi holoiʻana