Chimney and Flue duct

Chimney noun - A vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building.

Flue duct and chimney are semantically related in flue topic. In some cases you can use "Flue duct" instead a noun "Chimney", when it comes to topics like flue pipe, stove pipe.

Chimney and flue duct are semantically related in flue topic. You can use "Chimney" instead a noun "Flue duct", if it concerns topics such as flue pipe, stove pipe.