Rockwell & Rockwell Hardness Block Yopanda Chidwi
Brinell Kuuma Block
Cholepheretsa China Cholimba
Vickers & Micro vickers Hardness Block
Indenter
Chojambula cha maso ndi cholinga
Chipangizo chokhudza Leeb
Zinthu zogwiritsidwa ntchito za Metallographic

