Dè na deuchainnean cruas a tha ann airson seamannan dall?

Tha deuchainnean cruas cumanta a’ toirt a-steach: Cruas Rockwell (HR), Cruas Rockwell Surface (HR), cruas Vickers (HV), Cruas Micro Vickers (HV), Cruas Knoop (HK), Cruas Brinell (HB), cruas Leeb (HL) (ath-thionndadh modh), deuchainn cruas ultrasonic (UCI), cruas a’ chladaich (SHORE).

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