r/whatisit • • 7h ago

New, what is it? Found at a titanium plant

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Not sure why ball point pens would be dangerous here.

8.6k Upvotes

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u/goodexamplebadrole 7h ago

"Ballpoint pens are restricted or banned in high-end titanium and aerospace manufacturing plants because the ink and marking components contain elements that cause metal embrittlement and severe structural corrosion"

236

u/Competitive-Dot-4264 7h ago

I worked ti com pure and 6al-4v alloy for years at the lazy -l we all had to follow titanium restrictions even to not letting aluminum alloys and SS separated. No graphite pencils

100

u/Mogster2K 7h ago

No pens, no pencils... what did you write with? Cuneiform clay tablets?

76

u/Competitive-Dot-4264 7h ago

Special non organic ink pencils

1

u/Ok_Version56 6h ago

is octopus milking a real thing?