A lot of smoke in the process of cooking belongs to heavy catering. Casserole noodles and casseroles don't need a lot of cigarettes, which belongs to the light catering industry, not heavy catering.

The difference between light catering and heavy catering is that it depends on the size of sewage, whether it needs to produce a lot of lampblack, sewage and garbage. In addition, the business license will show the business scope.