Ballpoint pen: the magic wand for smooth writing
The ballpoint pen is commonly used in our daily life. It is very convenient to use, but some things need to be paid attention to during use to ensure its normal use and extend its service life.
Choose the right refill
Ballpoint pen refills come in different thicknesses and colors, and we should choose according to our own needs when choosing. If you need to write thinly, you can choose a 0.5mm...
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