I was surprised a couple of years ago to read that the US no longer made the aluminum tubing used to make bicycle frames. Despite having quite a significant cu

I was surprised a couple of years ago to read that the US no longer made the aluminum tubing used to make bicycle frames. Despite having quite a significant custom frame building scene and many craftspeople, such a simple raw material was no longer made in the US. I'm sure there are many, many things like this, for most countries.