A plug, or conical block of wood, with longitudital grooves on its surface, through which the strands from the rope slide in the process of twisting Multilayer system: the addition of the plastic film was the first step to generate brick containers impermeable to liquids and heat-sealable. During the sixties, https://wateringabletop.tech.blog/2025/06/07/sip-smartly-mineral-water-in-carton-that-nurtures-the-planet-and-the-future/