C885 Garbage Classification

The Superintendent forced a smile and said, "Teacher Wang, thank you."

"You're welcome. We're colleagues, it's all fate. It's only natural." Wang Feng comforted the Superintendent for a bit, then accompanied him and waited for the operation to end.

At this moment, a pair of old women in their sixties walked over and began to wail, "Oh heavens, oh earth, you heartless family