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submitted 1 year ago by Zastyion345@lemmy.ml to c/memes@lemmy.ml

spoilerFor people that don't know this is not how you use Calipers

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[-] grue@lemmy.ml 8 points 1 year ago

“what is the difference between these two pieces of material” (one was aluminum, the other stainless)

Did they expect you to identify which metals they were, or just that they were different metals?

[-] CADmonkey@lemmy.world 14 points 1 year ago

I was expected to know that one was stainless steel and the other was aluminum, but not the specific grades of stainless or aluminum. Stainless and aluminum can look very similar when they're dirty, and 300 series stainless won't stick to a magnet just like aluminum won't stick to a magnet. But if you pick them up or even rap on them with your knuckles you can tell the difference.

this post was submitted on 22 Aug 2023
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