| http://www.w3.org/ns/prov#value | - Therefore, the separating and swelling member 110 is preferably formed of a material with a heat resistance and a durability capable of resisting heat, sparks, and damage by a needle or the like at the time of the excising operation, for example, a rubber material such as silicone rubber, natural rubber or synthetic rubber, a styrene-based elastomer material, a urethane-based elastomer material, a
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