The idea of perforating the caps of pens appears to have started in the United Kingdom, where a new safety standard was adopted in 1990 (BS 7272). Between 1970 and 1984, nine children in the United ...
Discover the fascinating transformation of a simple Coca-Cola bottle cap into a stylish, fully functional custom ballpoint pen. This in-depth DIY tutorial covers every step, from preparing the ...
Add Yahoo as a preferred source to see more of our stories on Google. Our vented caps comply with international safety standards ISO11540. These standards attempt to minimize the risk to children from ...
A viral Instagram video about pen lids is blowing some users’ minds while other smartypants say it’s recycled information. Content creator Zack D. posts “A Collection of Things That I Find Interesting ...
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