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. Available in single or double configurations, with center and off-center options, these https://danteecyun.madmouseblog.com/7079694/pivot-kapı-ile-ilgili-detaylı-notlar