The mall is a hotbed of gas rot.
"Department stores are where rotten egg gas occurs most often.
It's not an exaggeration to say that, because the mall is a huge pool of restaurants, and it's followed by a huge amount of waste and waste in the mall's underground treatment pond.
The underground treatment pond of the mall is a dangerous impasse because it has little air flow and is
The point where the waste is accumulated, the waste of food that is oppressed, whether it is flour, animal fat, cooking oil, will accumulate and accumulate repeatedly every day, become "mud rot" and create "rotten egg gas" packed inside the underground treatment pond.
"Rotten egg gas" in underground sewage creates "corrosive acid."
That slowly deteriorates cement and steel pipes.
If accumulated over the years, this gas will cause the structure of the treatment pond to crack, followed by the leak of rotten egg gas, create a flashback odor along the open water pipes of the bathroom inside the mall.
This incident can be called a "daily disaster."
Because if there is a smell backwards in the mall, it shows that the treatment pond has failed and is near broken.
Rich "rotten egg gas" is accompanied by harmful volatile acids to our eyes, nose, lungs, brain and skin. It is a dangerous gas and is very close to us, never mentioned on a large scale.
(This post is not bad for the mall, but I would like to remind all parties to be aware of the stunts or blind corners of large places)
"We don't just sell things, we give them real substance as well."
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