Which packaging innovation was patented by Swedish inventor Erik Wallenberg in 1951 and revolutionized liquid storage by creating a more efficient alternative to glass bottles?

The packaging industry has evolved dramatically over the past century, with groundbreaking innovations addressing environmental concerns, consumer convenience, and product preservation. Some packaging inventions have revolutionized entire industries and changed how we interact with products. Test your knowledge about a significant packaging breakthrough that transformed how certain products are stored and consumed!

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Tetra Pak (aseptic carton packaging)
Aerosol spray can
Vacuum-sealed plastic packaging
Child-resistant prescription bottle