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Anonymous users2024-01-24There is too much heat in the air, and the ventilation fan must not have an exhaust pipe, otherwise it will not accumulate water on the top.
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Anonymous users2024-01-23Because you expect too much from both of them, they are not as good as you think.
It is possible that resonance is generated to form a resonant cavity, which manages to dampen vibration with an elastic material.
On the surface, it looks like the back electromotive force generated at the moment when the fan is turned off, and the LED light is lit, and carefully check whether the line of the LED light is well insulated, whether it is due to the problem of the line that the place that should not be turned on is turned on.
To install a ventilation fan, it must be perforated in the outer wall and connected to the outside. Otherwise, the ventilation fan is an ornament.
The bathroom has a ventilation fan, and after dehumidifying, there are water droplets on the floor, which should be because you may not have mopped clean water on the floor. The bathroom is a place where water is more likely to be available. >>>More
Turn on the heater first.
If you want to take a bath, turn on the hair dryer and warm air first, and the exhaust fan is not used. >>>More