If the lampblack is big, it is necessary to install a lampblack machine. Soot emissions vary from place to place. If your building has a smoke exhaust pipe, nothing will happen If you don't reserve it, you have to row it out. When discharging to the outside, we should consider the impact on the surrounding area. First, it must be approved by the local environmental protection bureau. Simply put, it can be discharged outside. If the local environment is very strict, it is necessary to make a pipeline directly to the roof, which depends on contacting the property to see where the pipeline allows you to lay. Moreover, if you are in a shopping mall or supermarket, the shopping mall should consider this issue. You can contact the property management of the shopping mall directly without even going to the Environmental Protection Bureau. It is cheaper to buy food by yourself, and it is easier to deliver food. You need to make a decision after cost and manpower analysis. Speaking of large induction cookers, you can see the operation in supermarkets such as Wal-Mart.