ΘΩΡΑΚΙΣΜΕΝΕΣ ΠΟΡΤΕΣ

http://a9rnkyu295.nation2.com/15-secretly-funny-people-working-in-920937929913922921931924917925h-9289272

It's been quite a while given that we went over security doors, so we thought it was high time for a refresher. Let's start by reminding ourselves what they are and why we require them. What is a security door,