Hao, the assistant, was a plump man in his thirties. He looked very friendly and nodded at Yu Xinyi when he heard her greeting: "Good evening, everyone is here now.",How could it be so cold It's like a lifeless thing without any temperature.,"The battery in the camera is running low, so you'll have to find the spare batteries I've hidden around the factory. They are all used batteries, with just a little bit of charge left. To ensure four hours of continuous power, you'll need about eight." Hao Assistant announced the supplementary rules with a smile.。