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Anonymous users2024-01-241. All of them are not needed, but you need to set up something similar to a switch at the place where the pipe enters the flue, otherwise there will really be oil smoke.
One router and one broadband are sufficient.
Public restrooms are not required on the hotel room floor, and there is generally no need for public restrooms. Public restrooms are generally located on the ground floor and on the floor where there is a restaurant. >>>More
The exhaust duct is divided into the main and auxiliary flue ducts, and the residents' oil smoke is first discharged into the auxiliary flue of their own house, and is discharged to the roof of the building in the main flue, so you don't need to be afraid that the oil of other people's homes will flow to your home. >>>More
There are 2 possible reasons for smoking in public flues:
1. The interface between the smoke exhaust outlet and the flue of your range hood is not tightly sealed, and there are gaps, resulting in the oil smoke discharged from the kitchen downstairs entering your home along the gaps. >>>More
Although they are all called smoke exhaust, the principle is different. Cars only need to take care of their own emissions, and the house needs to take care of the whole. At present, the most effective residential discharge flue is the Wanju transformer air pull-out five-proof exhaust system. The effect is also obvious to all.