| http://www.w3.org/ns/prov#value | - aving an intermediate sealing plug for separating the first and second compartments while the container is being stored; said container including at least one open end being formed in at least one cylindrical neck integral with at least one of said first and second compartments, said at least one cylindrical neck having a narrower cross-section than a cross-section of said at least one of said fir
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