I am going to do heavy work next week, not, it will boring work, there is we have two hundred or something doors, in our project. And I have thought about doors so, it’s easy, I just haven’t thought about doors at all, door is door, what is difficult? You can opening them and close. But!
It is one door:
![](https://ic.pics.livejournal.com/shelf_days/78382334/120555/120555_800.jpg)
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