Multilayer Program: the addition of a plastic movie was the initial step to create brick containers impermeable to liquids and warmth-sealable. Within the nineteen sixties, an aluminum foil began to be included for the cardboard container to make certain superior safety and increase the shelf life of the packaged products. https://waterinpaperbottle.blogspot.com/2025/06/sustainability-in-every-drop-eco.html