Which packaging innovation was first developed during WWII for military use before becoming a household staple that revolutionized food preservation?

Throughout history, some packaging innovations have completely revolutionized product accessibility, preservation, and consumer behavior. These breakthroughs not only solved practical problems but also created entirely new market opportunities and changed how we interact with everyday items. Test your knowledge of these transformative packaging milestones that shaped modern consumer culture.

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Aerosol spray cans
Plastic wrap (Saran Wrap)
Aluminum beverage cans
Tetra Pak aseptic packaging