Milling and drilling in cyberspace

A trainee carefully clamps a workpiece in a lathe. He must program the machine correctly before he can machine the part. This is a tricky task and the trainee will have to solve a similar problem for his final exam. Therefore, he is learning to handle such equipment at a vocational school. However, rather than standing in front of a real machine, he sits in front of a computer. The control panels and the lathe behind it appear on a monitor. A computer guides the trainee step by step...

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