Ha, when I was working summers at a boat builder that built 12 meter America’s Cup racing sailboats the grumpy shop foreman made us polish and polish...
Austenite can be made slightly magnetic by cold working. You're stretching my decades-old metallurgy memory (yes I should work on my flexibility) but...
Hahaha, there's not much to be told, really. This was European history, and I was a bit shit as the exam result so unequivocally showed. It may have...