Which food product packaging innovation was introduced by Tetra Pak in 1952 that revolutionized the dairy industry by allowing milk to be stored without refrigeration?

In the world of food packaging, innovations have dramatically changed how we preserve, consume, and think about our food. Some packaging designs have become so iconic they're instantly recognizable worldwide, while others have revolutionized entire food categories through their functionality. This trivia question explores one of the most significant packaging innovations that transformed an entire food product category.

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Aseptic Carton (Tetra Brik)
Vacuum-Sealed Can (Tetra Can)
Pressurized Bottle (Tetra Pressure)
Airtight Foil Pouch (Tetra Foil)