I grew up seeing these signs all over and never gave them a thought. I love articles that bring something to my attention that I never thought to think about.

Aside: If you are a sign aficionado the American Sign Museum in Cincinnati will make you very happy: https://www.americansignmuseum.org/

This is great. I've been wondering about these for decades.

"That's what a Vac-U-Form can do!"[1]

TechShop used to have a medium sized vacuum forming machine, but it was lost in one of their moves. Those are useful for tool trays. Lay down all the tools for some kit, vacuum-form a tray, and put the tray in a case for the kit. Often used in aerospace, where you want to make sure nobody left a wrench inside the engine or fuel tank.

[1] https://www.youtube.com/watch?v=lCvgvWiZNe8

Signage has such a huge impact on how we experience an environment, the vibes it gives off.

Comparing the US and the Netherlands - the US seems much more chaotic and organic than the Netherlands with its unified government standard typeface.