Зачем нужна фановая труба (вентиляционный стояк)
Попытался доступным языком коротко изложить зачем канализации нужна вентиляция.
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![ЛЮБОВЬ, РОБОТЫ И ДУШНОТА | ATOMIC HEART DLC №1 [ПРОХОЖДЕНИЕ] #8](https://sun9-33.userapi.com/eso5lONcSwpVcsDrp-XQqAnIwVmEhxuOZljwyQ/-xk7kiFnPc4.jpg)
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