Sinhalese Kings of historic Sri Lanka have made use of prefabricated buildings engineering to erect huge structures, which dates back as far as 2000 yrs, wherever some sections were being prepared separately after which you can fitted with each other, specially inside the Kingdom of Anuradhapura and Polonnaruwa. Prefabrik evler; https://mira-prefabric009.wikiitemization.com/4761153/about_prefabrik