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How to put the seal on the file cover

Generally, the seal is single, and the seal of the portfolio is flat; If there are three, seal them with the word "I", that is, one in the horizontal direction, one in the lower mouth and one in the vertical direction.

How to seal the file?

Apply paste or glue evenly on the inside of the seal and stick it evenly on the sealing part of the file cover, which is suitable for up, down, left and right.

How to seal the file?

three

After sealing, affix the seal of the sealing unit.

How to seal the file?