| http://www.w3.org/ns/prov#value | - In some embodiments, the introducer 20 can be made out of a metal, metal alloy, resin (for example, a thermosetting resin such as an epoxy resin or phenolic resin), polymer (for example, a thermoplastic polymer or, in some cases, an elastomeric polymer) or a combination of the forgoing compounds.
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