Which innovative packaging development revolutionized the airline beverage service in the 1980s?

The transportation industry has undergone significant changes in how products are packaged for both safety and marketing purposes. From airline amenity kits to automobile parts packaging, the evolution has been driven by sustainability concerns, brand differentiation, and practical logistics. This trivia question explores an interesting innovation in transportation product packaging that revolutionized an aspect of the industry.

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The pull-tab aluminum can that eliminated the need for separate can openers
The Tetra Pak aseptic carton that allowed juice to be served without refrigeration
The plastic cup with heat-sealed foil lid used for serving nuts and snacks
The insulated paper coffee cup with plastic lid that prevented hot beverage spills