Which packaging innovation, invented in 1952, is credited with saving millions of lives in developing countries by allowing vaccines to remain stable without refrigeration for up to 30 days?

Packaging innovations have dramatically changed how products reach consumers and stay fresh. Some inventions in this field have literally saved millions of lives, reduced waste, or revolutionized entire industries. This poll tests your knowledge of one of the most impactful packaging inventions of the 20th century that transformed how certain essential products are preserved and transported worldwide.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The Tetra Pak aseptic carton
The child-proof medicine bottle cap
The aluminum beverage can with pull-tab
The vacuum-sealed food pouch