If You See Coins on a Headstone, This Is What It Means Here's Why There's a Circular Dent on the Side of Your Plastic Milk Jug (It's Not What You Think!) If You See a Star on a Barn, Here's What It ...
Zack D shared an explanation about why the detachable caps feature holes as part of a series he created called, “A collection of things that I find interesting”. The clip, shared on his Instagram and ...
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 ...