Bread All Day Long

When i was younger, we used to go visit my family in morocco. They still have it to this day, they have lat public ovens. You make your bread at home, and then you take it to the oven. So you do it in the morning, then it has come back for lunch time,. Then you come back and collect it, and then it's all nice and warm for lunch and stuff. O, bread all day long. That's incredible. How do you know fattyrif, how do knows that the bread you're getting back is the same bread that you made earlier in the day? Cause he puts ha little mark on it, so you know