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New Step By Step Map For gable top

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Multilayer Procedure: the addition of a plastic film was the first step to help make brick containers impermeable to liquids and warmth-sealable. In the nineteen sixties, an aluminum foil began to be added towards the cardboard container to ensure improved safety and extend the shelf life of the packaged product https://www.diigo.com/item/note/b5sxz/web9?k=9cc9835a77329e2cb127bde1d984ea89
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