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1. All can only be installed with fresh fans and air conditioners.
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There is no ventilation, and if you want to cool down, you can only install air conditioning.
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Indeed, it is like what the friends above said.
Install an air conditioner, air cooler, electric fan or other electrical appliances.
Utility.
Personal suggestion to make a relaxing balcony.
Nothing, sit on the balcony and watch the street view and the crowds. >>>More
Generally speaking, the audio is mostly active speakers, and there must be amplifiers inside, so noise is inevitable, and the noise of active speakers can be roughly divided into electromagnetic interference, mechanical noise and thermal noise according to the source. >>>More
The light steel plate is pasted with a rubber soft board, fixed with all-purpose glue, and a sound-absorbing board can also be installed in the ceiling at home.
Make soundproof cotton around the pipe, then make a skeleton, paste a cement pressure plate, and then paste tiles.
Noise is also one of the three major pollutions, you can find the environmental protection bureau to deal with it, just call the local environmental protection bureau.