C454 The Truth Was Revealed

Huang Xianwei quickly nodded and called for the two workers to get busy.

Zhao Lei then realized that there was a large tube that could rotate not far away from the tank. Huang Xianwei and the workers turned the tube to the entrance of the tank. One of them opened the valve, and a large amount of sewage immediately flowed into the tank. The pungent smell in the air became even stronger