If you are a family affected by lampblack, be sure to close the doors and windows that will enter the lampblack at noon and afternoon cooking time;

A range hood should be installed in hotels and restaurants. It is suggested that the exhaust pipe should not be directed at nearby residents, and should be discharged upward with a high exhaust pipe, as shown in the figure below:

If the impact is large, it is difficult for merchants and residents to reach a consultation, and it is necessary to find a street office to coordinate these contradictions.