Opening and closing skills of tin box

Cover opening requirements: pure tin is soft, please avoid strong collision, and cannot rotate its cover to open it. To open the cover, you need to lift it directly.

Cover requirements: When using the tin can, because the pure tin box body is highly sealed, please open the tin cover slowly and pull it up. Do not rotate it. When closing the cover, release it when the cover reaches 1/2 of the seal, and the tin cover will slowly and automatically reset

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