Multilayer system: the addition of the plastic movie was step one to make brick containers impermeable to liquids and warmth-sealable. In the 1960s, an aluminum foil started to be extra for the cardboard container to make certain better safety and increase the shelf lifetime of the packaged product. Getting this https://alkalinewaternatural.blogspot.com/2025/04/eco-driven-packaging-rise-of.html