Itinerant Air-Cooled

I was shocked, shocked! too!
This guy claims that the Chinese have learned how to harden their steel. Of course I have no personal experience but may attempt to gain some.

I am convinced that China is a country without micrometers.

asiab3 wrote: ↑

Sat Jun 03, 2017 9:47 am

I am convinced that China is a country without micrometers.

I'm sure they *have* micrometers in China. *USING* them is another matter entirely...