ΠΟΡΤΑ ΑΣΦΑΛΕΙΑΣ
http://franciscoklxd837.cavandoragh.org/5-vines-about-thorakismenh-porta-that-you-need-to-see
It's been quite a while given that we discussed security doors, so we thought it was due time for a refresher. Let's start by reminding ourselves what they are and why we need them. What is a security door, and