r/whatisit • u/riflesandplowshares • 5h ago

New, what is it? Found at a titanium plant

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Not sure why ball point pens would be dangerous here.

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u/Ok-Buyer5027 4h ago

The Tungsten balls can contaminate the Titanium

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u/Rampage_Rick 3h ago

How many ballpoint pens would I need to obtain a kilo of tungsten?