What is built-in spray paint, is it good, and what types of built-in work is it suitable for?

Understanding what built-in spray paint is, how it differs from house paint, what types of built-in work it is suitable for, and what surfaces it can be used on, along with recommendations for choosing industrial spray paint for interior decoration.
What is multi-purpose spray paint? What can it be used for?

What is multi-purpose spray paint? What materials can it be used on? Here are the usage methods, advantages, and precautions. It is suitable for repair, decoration, and DIY projects. It is easy to use, dries quickly, and provides a beautiful, even finish.