look at the pictures http://news.fate-go.jp/2016/jccfoh/
its from this anime
Originally Posted by FSF 5, Chapter 14: Gold and Lions IThough abandoned, forgotten, and scorned as out-of-date dolls, they continue to carry out their mission, unchanged from the time they were designed.
Machines do not lose their worth when a newer model appears.
Their worth (life) ends when humans can no longer bear that purity.
"The world is just another word for the things you value around you, right? That's something I've had since I was born. If you tell me to rule such a world, I already rule it."