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gel pen

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Gel pens are known for their smooth writing experience, making them a favorite among students, artists, and professionals. The secret behind their seamless glide lies in the unique composition of gel pen ink. In this article, we will delve into the chemical properties and technological advancements that make gel pen https://www.rcreducation.com/the-science-behind-gel-pen-ink-why-its-so-smooth/

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