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Monday 5th October 2015
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What is the number on the end of sugar packets?


In paper tubes of sugar, on the ridged piece of paper, there is a number from 1-20 – and the number seems to be different. What does the number mean?
Jackie, Thames Ditton


** Definitive **
Name: Bob, Hayes
Qualification: I used to mould plastic
Answer: The tubes are often created in batches, using a number of moulds. If there is an error, the maker needs to know which mould is broken, so that number tells him.

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