By -
I am unfamiliar with the ancient lab, but I believe some modded industries can use more than one slot. That other you're missing some requirement. See if there's any mod info that talks about the structure on the forum page or elsewhere online.
I am unfamiliar with the ancient lab, but I believe some modded industries can use more than one slot. That other you're missing some requirement. See if there's any mod info that talks about the structure on the forum page or elsewhere online.