5 BASIT TEKNIKLERI IçIN VILLA KAPıSı

To know the origin of the pivot door we must travel a long way back in time. To ancient Persepolis to be exact. Here, various pivot doors were used, and later found, in the Gate of All Nations.Mühür pivot doors are usually made out of double-surface steel that özgü been pressed together. It emanet be hollow on the inside, or it emanet be filled