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0 sats \ 1 reply \ @96c0b276a3 8h \ parent \ on: If it ain't broke, don't fix it Design
This is some obscure knowledge haha. You got more? And a newsletter?
This is a well-known fact. https://www.sciencealert.com/why-there-are-holes-in-tops-of-pen-caps-lids-bic
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