kazánokból
The term "kazánokból" is the Hungarian plural genitive form of "kazán," which translates to "boiler" or "furnace" in English. Therefore, "kazánokból" literally means "from boilers" or "from furnaces." This phrase is typically used in contexts where something is being extracted, sourced, or derived from these heating devices.
In practical applications, "kazánokból" could refer to the collection of byproducts or emissions from industrial boilers,