Кладка вентиляционных каналов.
Переходы в вентиляционных каналах.
5 years ago 00:12:49 9
![Кирпичная кладка дымовых и вентиляционных каналов - [© masterkladki]](https://sun9-16.userapi.com/x9Q2xSnXY2SLzOIXQ-BxdI50wB8_KXifvMPFmw/JIUmMiZdmC8.jpg)
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