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...

Many parents have experienced the frustration of their children creating "art" with crayons on their walls. Don't despair when faced with crayon graffiti on your walls. Method 1: Use Baking Soda — remove crayon marks Baking soda is an ideal tool for cleaning crayon marks. Mix a suitable amount of b...

Many people have experienced accidentally staining their clothes with a gel pen. Due to the unique composition of gel pen ink, traditional washing methods can be difficult to completely remove. This article will introduce several effective methods for removing gel pen stains from clothing, helping t...

A folding ruler is a very common measuring tool in our daily lives, used by carpenters, electricians, construction workers, and other professions. However, many people may just treat it as an ordinary ruler, overlooking the special markings hidden within. These markings aren't just randomly printed;...