| http://www.w3.org/ns/prov#value | - The means for sealing may be the exemplary ribs 46, or may be other configurations such as threads, a tight interference fit between an outer sealing surface of the plug and the capsule 22, glue, adhesives, ridges, lips, or other devices which join the semipermeable body 28 with the capsule 22 to prevent leakage.
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