My first CNC experience was with a (C)NC machine from the 70s. I loved it at times. It was really amazing to see the machine shops being upgraded. The elvel of automation, already back in 201/12 (last time I had any close contact with these things) is amazing.

The concept of "Hauptzeitparllele Tätigkeit" (stuff operators can do when the machine is doing its thing, one of the things German just describes so well) stuck with me ever since.