Multilayer Method: the addition of a plastic film was step one to create brick containers impermeable to liquids and warmth-sealable. Inside the 1960s, an aluminum foil began to be included on the cardboard container to make certain superior defense and increase the shelf life of the packaged merchandise. This entails https://share.evernote.com/note/2e57821a-0d6d-107b-e8b2-d649ff82b035