• Brainly User
The concept of pyramid packaging of milk relates to tetra packing wherein the milk is packed in multi-layered cartons. Such a packaging protects the milk from external factors such as moisture, oxygen, thereby, helps in preserving it for a longer time
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  • Brainly User
Tetra Pak is a multinational food packaging and processing company of Swedish origin with head offices in  Switzerland. The company is privately owned by the family of Gad Rausing through the Swiss based holding company Tetra Laval, which also includes the dairy farming equipment producer DeLaval and the PETbottle manufacturer Sidel.Tetra Pak was created in 1951 as a subsidiary to Åkerlund & Rausing, a food carton company established in Malmö in 1929 by Ruben Rausing and Erik Åkerlund.
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