Why Say Aloud What You Can Plainly See?

Japanese rail crews point at a signal and name it, and the famous 85 percent claim behind the habit rests on a study I could not find.

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I'm Lavi. I work on supply chain planning by day and build odd little things on this site by night. If something here was useful, or you'd like to talk planning, games, books or a trip, write to me. I reply to most notes within a few weeks.

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