Multilayer Procedure: the addition of the plastic movie was the initial step to create brick containers impermeable to liquids and heat-sealable. While in the nineteen sixties, an aluminum foil started to be additional to your cardboard container to ensure much better protection and extend the shelf lifetime of the packaged https://www.mediafire.com/file/d3eyscdsasx9qzp/Sustainable_Water_in_Carton_Packaging_%25E2%2580%2593_Eco-Friendly_Gable_Top_Boxes/file