My family lives on the first floor, but there is always water on the wall in the back balcony! The b

The most important thing is to clean the kitchen well, I don't believe that the ants come to your house every day if they don't have anything to use as food.

Drains are shared pipes.

If the first floor is changed by itself, and the drainage main is not moved, then it will be blocked again, and people will not be responsible. >>>More

I live on the second floor, and after the main pipe is changed on the first floor, there is always white foam in the tile joints of the bathroom, which is due to the leakage of the water pipe, which causes the wall to return to alkali.

Hello, it is normal for the bathroom sewer on the first floor of the building to reflect the water, it is the outside septic tank that is full or blocked below, it has nothing to do with you, is there not a resident upstairs who also uses water, some of the first floor sewer is a separate sewer pipe and the upper floor is not on a main.

Radiation, there is. But it is not harmful to people. The magnetism of the transformer is inside the core and is enclosed by a metal case. All objects above absolute zero emit radiation, including the human body, but most are harmless.