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Last year, this would have involved the usual collection of heavy equipment, one orange cone at each cross street, and two flag people, holding a sign marked "slow", one at each end. The drill is that you notice the flagman, and try to remember to look both ways before turning across the new asphalt so as to avoid becoming part of it under the roller.
This year there were no less than 4 flagmen.
I keep hoping that the principle might find application to the engineering field.
Meantime, the effects of revising the methodology in calculating the unemployment rate, firat applied in July, are now evident. Thanks to Innocent Bystanders for the graphic.
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