Multilayer Program: the addition of a plastic film was step one for making brick containers impermeable to liquids and warmth-sealable. In the sixties, an aluminum foil started to be additional to the cardboard container to guarantee much better protection and extend the shelf lifetime of the packaged merchandise. This can https://freewateradvertising.blogspot.com/2025/03/gable-top-carton-revolution-in.html