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The range hood should be cleaned, we all know that the air outlet of the range hood has a head so big, all relying on the range hood's gas-holding device to prevent the return of air, if it is not cleaned for a long time, it will make this device lose its effect, that is, it is stuck, the wind will flow back from the inside, and you can even smell the smell of stir-fry downstairs! So clean the range hood regularly and this problem won't arise again! aqui te amo。
Check the kitchen flue outlet to see if it is blocked.
If there is a suspended ceiling, it is not leaking from the ceiling. >>>More
Where the pipe of the range hood passed through the toilet leaked?
This should be due to the resonance phenomenon of the range hood and the air conditioner, or the interference of radio frequencies, and it will not be too harmful. >>>More
Check the circuit at home for leakage problems, if you don't check the leakage protector again, safety is the most important thing.
If you say that the smoke machine is turned on in the ceiling of your kitchen, and there is the sound of rats running inside, it should be rats.