ΘΩΡΑΚΙΣΜΕΝΕΣ ΠΟΡΤΕΣ
https://www.playbuzz.com/item/829c4d2d-100a-4df8-a305-3b2f759b1fae
It's been quite a while since we discussed security doors, so we believed it was about time for a refresher. Let's begin by advising ourselves what they are and why we need them. What is a security door, and why