Mechanical pencils play a vital role in daily life, learning, and professional life. Their unique design and convenience make them a powerful alternative to traditional wooden pencils. A Central Role in Learning and Daily Writing In the hands of students and office workers, mechanical pencils are a ...

The rollerball pen, a vital tool for everyday writing, is often mistaken for a regular ballpoint pen. However, its unique design and ink system offer a completely different writing experience. The Core Secret of Rollerball Pens: Water-Based or Gel Ink The most distinctive feature of rollerball pens ...

Marker Pen marks are a common problem in many homes and offices, especially for those with graffiti-loving children. These conspicuous marks not only detract from the aesthetics of the walls but can also be annoying. Method 1: Use Toothpaste Toothpaste is a common household cleaning aid. For Marker ...

Why does a gel pen have difficulty flowing? A gel pen has a small steel ball inside the nib that controls the flow of ink through friction with the inner wall of the nib. This poor flow can occur when the ink has dried out, the nib is clogged, or the ink is too viscous. Here are some common solution...