The use and care of metal ballpoint pens: meticulous care of the art of writing Metal ballpoint pens have always been an indispensable stationery item in people's daily lives. Its history goes back decades, and today, metal ballpoint pens have become an integral part of modern society. This article will introduce the material, advantages, use, and maintenance techniques of metal ballpoint pens.
1. What is a metal ballpoint pen?
A metal ballpoint pen is a writing...
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