On the streets of Mumbai, India, you will see such a group of people with a row of lunch boxes on their heads, shuttling through the crowd;
They were received twice by the British prince and graciously by the Italian president;
Even Harvard University has a special topic to study them, and the BBC also specially made a documentary to introduce them. The most amazing thing about dabbawalas is that they have a very low error rate of 1 in 6 million. Harvard Business School has a special project to study this magical operation and the final conclusion is: their success From the spirit of craftsmanship.
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