What kind of products does the smoke generator belong to?

It should be a chemical or electronic product. Baidu Encyclopedia: The smoke generator is a special smoke bomb for fire drills, and can also be used to create a stage smoke effect, detect the leakage of sealed containers such as boilers and whether the air circulates. It can also be widely used in industry, agriculture and other fields, such as maritime distress, aviation flight show, making smoke generators for bank robbery prevention, field game confrontation and so on.