Sinhalese Kings of historical Sri Lanka have utilised prefabricated structures engineering to erect large structures, which dates back again as far as 2000 a long time, in which some sections ended up organized independently and after that fitted with each other, specifically while in the Kingdom of Anuradhapura and Polonnaruwa. https://prefabrikevfiyatlari567.national-wiki.com/1231824/prefabrik_fundamentals_explained