[It's a difficult question to answer, when speaking to someone who is unfamiliar with the very notion of a robot. It's likely Clare wouldn't know the names of the specific materials that were used in her construction, so she simplifies the truth.]
I'm a machine. I'm partly made of metal, but also of plastic and other synthetic materials.
[video]
I'm a machine. I'm partly made of metal, but also of plastic and other synthetic materials.