| http://www.w3.org/ns/prov#value | - Depending on the filling material for which the thus-far described sock should preferably be inserted into a can, as for example shown in FIG. 2, problems can arise because an elastomeric material to be adopted for economical and/or manufacturing reasons for the sock 1, 1a or 1bh as an undesirable reaction to the filling material, so that, for example when food is used as the filling material, a c
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