because there are a lot of black circle on its skin.
First,the robot made a plastic body which it covered with soft plastic,like a skin.
Then I saw that the skin on his face was blue, so I knew he was dead.
He was very well, and his skin looked much better.
I could feel the bags of old skin on his back under the coat.
The head did not have much hair, and there was another bag of brown, dirty skin at the back of it.