A plug, or conical block of Wooden, with longitudital grooves on its surface, by which the strands from the rope slide in the entire process of twisting Multilayer process: the addition of a plastic film was step one to create brick containers impermeable to liquids and heat-sealable. In the sixties, https://mineralwaterincarton.food.blog/2025/05/03/kevala-nirus-eco-revolution-redefining-hydration-with-sustainable-packaging/