Which of these revolutionary packaging innovations was invented first?

Throughout history, certain packaging designs have revolutionized entire industries and changed how products reach consumers. These innovations often solved critical problems in preservation, transportation, or convenience that previous generations struggled with. This poll tests your knowledge about a groundbreaking packaging invention that transformed product distribution and consumption patterns worldwide. Do you know which revolutionary packaging design came first and set the stage for modern consumer products?

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Tetra Pak (aseptic carton packaging for liquids)
Aerosol spray can (pressurized dispensing system)
Blister packaging (sealed plastic bubble with cardboard backing)
Child-resistant prescription bottle (push-and-turn cap)