Ballpoint pens are a familiar and very common tool in human life. Especially for schoolchildren, students and office workers, ballpoint pens are an indispensable tool. There are two main types of ballpoint pens: disposable and refillable. Disposable ones are mostly made of plastic and are thrown away when the ink is used up. Refillable ink cartridges are usually made of metal or plastic with higher quality and price. The ballpoint pen has three basic parts: the shell, the core and the pen adjustment part. The shell is usually made of a light but hard synthetic plastic material to protect the inner part of the pen. Along with books, notebooks, etc., ballpoint pens are important learning tools for students, so we need to take good care of the pens: after use, we must close the lid immediately to avoid dropping the pen, damaging the ballpoint, and the set. the most important part of the pen. Especially, always keep the pen in a horizontal position to help the ink flow evenly, without clogging. Some ballpoint pens can be replaced when they run out of ink and I would like to tell you a little tip that if the ballpoint pen is left unused for a long time, the ink dries out, don't rush to throw it away, just take the inner pen and soak it in hot water at 15 degrees. minutes… your pen can be restored. Although today there are many types of electronic devices that can replace ballpoint pens such as computers, phones, etc. But perhaps the ballpoint pen will forever be the most useful gadget for everyone in all circumstances. The ballpoint pen has been, is and will always be a tool that plays an extremely important role in everyone's life.

Cho mik 5* và vote hay nhất !