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A comment on A single line to 3 cashiers is ~3x faster than a separate line for each cashier. Parent comment

Re:A single line to 3 cashiers is ~3x faster than a separate... by mahyarm on Thursday December 08, 2011 @01:50PM (#3330493)
At a walmart in Canada, they had an express line which had 6 cashiers and one line. A LCD screen chimed with the number of the next cashier when they were ready.
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