> Yep. CNC machines of sufficient accuracy/precision are considered export-controlled munitions because they can be used to manufacture nuclear weapons components or nuclear fuel processing equipment, such as gas centrifuges).

Or things like submarine propellers: https://en.wikipedia.org/wiki/Toshiba%E2%80%93Kongsberg_scan...

https://www.globalsecurity.org/intell/world/russia/toshiba.h...