| 摘要 |
In combination, a can of paint having a top opening, the opening being bounded by a bead formed into a circle, a hollow frusto-conical member with top and bottom openings and the bottom opening smaller than the top opening, the member being force fit into the opening with the bottom opening within the can, the member being made from a rigid thermoplastic material with the wall being crushed by the force fit thereby forming a liquid tight fit with the bead.
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