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トンボ鉛筆 Tombow

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  2. Tombow Q&A
  3. Trouble in use
  4. Ballpoint pens
  5. Why is the writing line uneven

Q&A

Ballpoint pens

Trouble in use ：Why is the writing line uneven

Ink on the surface of the ball of the tip is transcribed into paper and written. The ink which remains without being transcribed is returned to the chip, but when the tip part is garbage or it is deformed and the gap becomes uneven, the ink accumulates, and it becomes a ball and it attaches on the paper.

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