Àwọn ìdánwò líle wo ló wà fún àwọn rivets afọ́jú?

Àwọn ìdánwò líle tí a sábà máa ń ṣe ni: Rockwell Hardness (HR), Surface Rockwell Hardness (HR), Vickers Hardness (HV), Micro Vickers Hardness (HV), Knoop Hardness (HK), Brinell Hardness (HB), Leeb hardness (HL) (ọ̀nà tí a tún ṣe), ultrasonic hardness test (UCI), Shore hardness (SHORE).

https://www.yukerivet.com/news/pull-rivets-include-aluminum-iron-and-stainless-steel-what-are-semi-stainless-steel-blind-rivets/