| http://www.w3.org/ns/prov#value | - molding of the container 3.In another variant, this same structure contains cells obtained by duplicate molding of a thermoplastic resin, such as polyethylene, on the container 3.In this case, in the particular embodiment of the invention represented in FIG. 3, there is found, in addition, a buffer layer 41 of cellular foam-based thermoplastic material.
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