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Tetra Pak works on smart milk cartons

Tetra Pak is developing a smart carton that will alert consumers when milk is past its best consumption.
Tetra Pak is developing a smart carton that will alert consumers when milk is past its best consumption.
The carton will change colour when the milk is left out of the refrigerator for too long.
Tetra Pak will target BRIC countries (Brazil, Russia, India and China) concerned about sustaina...

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