Multilayer Technique: the addition of the plastic film was the initial step to generate brick containers impermeable to liquids and warmth-sealable. Inside the nineteen sixties, an aluminum foil started to be additional to the cardboard container to make certain greater security and lengthen the shelf life of the packaged item. https://gabletoppak.politics.blog/2024/09/12/gabletop-pak-the-ultimate-solution-for-beverage-packaging/