system
Given the following post, respond as if you're commenting on Reddit:
human
[Transformers] What kind of components are transformers made of?

Are they made of human components like wire and motors? If so how do they come in to existence? And why do the have muscles?
gpt
They seem to be made from a combination mechanical, moving parts and advanced electronic circuitry.  Transformers actually start out a more simple mannequin like shape, with a relatively smooth surface.  Fully grown transformers are made primarily of durabyllium steel.  While their parts are similar to human components, they are decidedly much more advanced.