After speaking, Kang Shuaifu went down with this assistant one after the other.

The line of sight inside the lens suddenly narrowed.

"There's a lot of methane produced by humus in the sewers, and we try to avoid using open flames in it!"

After entering the sewer, Kang Shuaifu explained like this.

is worthy of being a chemistry student, and he does not forget to take out his knowledge and fiddle with it wherever he goes.

However, what Kang Shuaifu said is very reasonable, and many websites have played a small video of a child putting a whip on a manhole cover during the New Year and being blown up by sewer gas.

At that time, the child was blown over several meters by the air wave due to the gas explosion.

This basic common sense also has the safety issue, I

"I Was a Reporter in the Underworld" Chapter 21 The gall is being hit in the hand, please wait a moment,

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