So one of the many many things odd in the transformers universe that never really dawned on me until a few months ago is, "The robots have beards.... how do robots have beards? What use does a robot have for a beard?" But I have always wondered, how Transformers age, and more or less grow beards, I mean in the newer lore they are considered Tech-Organic, however in say G1. They where robots plain and simple. So how do you think it is done?