User blog comment:HazelQuill7445/Awesome fan art/@comment-28288412-20161008105446/@comment-25110963-20161008130246

Ruby as a mechanic doesn't sound right to me. That means she won't be able to fight, and we all know she likes to fight. It's even in her genetics. So a mechanic really wouldn't have that much time in that many battles if I remember correctly from the anime.