What's in the manual spray paint?

There are glass beads inside. Generally, there will be at least two of them, and some brands have three or four spray paints. The main thing is to let the paint inside be fully stirred evenly.

Explanation of terms: spherical agitator. Function, stir the paint in the cylinder to make it uniform.

Hand-cranked automatic painting generally does not cause harm to the body in a short time. It is recommended to breathe fresh air outside or work with a gas mask.