After any painful experience, particularly one where the pain might have been avoided, we may make the resolution that we will "learn the hard way". If asked to provide an example of learning the hard way, my own contribution might be to recount the number of times that I have been reduced to tears by someone else's taps and dies! When yet another of these events is about to happen, there are clear warning signs. The feature common to such events is that, on first becoming involved with a job, I find that parts of that job have been done already. Typically, some holes will have been drilled and tapped, or some bars will have been threaded. Such earlier work would, you might think, save me any amount of effort. All that should be necessary is to make such further threads as are needed.
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